Difference between Hook and Gazump

HOOK vs GAZUMP: NOUN

A point or spit of land with a sharply curved end.
A sharp bend or curve, as in a river.
A sickle.
A short angled or curved line on a letter.
A curved or barbed plant or animal part.
Something shaped like a hook, especially.
A fishhook.
A curved or sharply bent device, usually of metal, used to catch, drag, suspend, or fasten something else.
A short swinging punch delivered from the side with the elbow bent
A mechanical device that is curved or bent to suspend or hold or pull something
A catch for locking a door
A sharp curve or crook; a shape resembling a hook
A basketball shot made over the head with the hand that is farther from the basket
Anything that serves as an enticement
A means of catching or ensnaring; a trap.
A curved or bent implement for suspending or pulling something
A golf shot that curves to the left for a right-handed golfer
A hook shot.
A curve ball.
In surfing, the lip of a breaking wave.
A ball propelled on such a course.
A stroke that sends a ball on such a course.
The course of a ball that curves in a direction away from the dominant hand of the player propelling it, as to the left of a right-handed player.
A short swinging blow in boxing delivered with a crooked arm.
A catchy motif or refrain.
A means of attracting interest or attention; an enticement.

Entice and trap
Take by theft
Approach with an offer of sexual favors
Secure with the foot
Fasten with a hook
Catch with a hook
Hit with a hook
Hit a ball and put a spin on it so that it travels to the left
To cause (someone or oneself) to become dependent (on something, especially a narcotic drug)
Make a piece of needlework by interlocking and looping thread with a hooked needle
Make off with belongings of others
Rip off; ask an unreasonable price

To buy a property by bidding more than the price of an existing, accepted offer.
To raise the selling price of something (especially property) after previously agreeing to a lower one.
To swindle; to extort.
Rip off; ask an unreasonable price
Raise the price of something after agreeing on a lower price
To trump or preempt; to reap the benefit underhandedly from a situation that someone else has worked to create.

To steal; snatch.
To fasten by a hook.
To pierce or gore with a hook.
To take strong hold of; captivate.
To cause to become addicted.
To snare.
To catch, suspend, or connect with a hook.
To pitch (a ball) with a curve.
To make (a rug) by looping yarn through canvas with a type of hook.
To hit with a hook in boxing.
To hit (a golf ball) in a hook.
To impede the progress of (an opponent in ice hockey) by holding or restraining the player with one's stick, in violation of the rules.
To bend like a hook.
To fasten by means of a hook or a hook and eye.
To work as a prostitute.
To shoot (a ball) in a hook shot.

Snarf, Sneak, Nobble, Filch, Soak, Lift, Draw, Claw, Pluck, Mitt, Glom, Swipe, Hand, Lure, Bait

Renege, Spurn, Sell, Renegotiate, Negotiate, Negociate, Outbid, Plume, Surcharge, Overcharge, Hook, Fleece, Pluck, Soak, Rob

Paw, Gazump, Overcharge, Crotchet, Snarf, Sneak, Nobble, Soak, Draw, Mitt, Glom, Swipe, Hand, Lure, Bait

Tempt, Poach, Nobble, Scupper, Cut price, Deal, Sell, Negotiate, Outbid, Plume, Surcharge, Overcharge, Hook, Fleece, Soak

The essay opens with an effective hook, and a bridge connects the hook to the thesis.
Positive hook sets are of utmost importance to tournament anglers or anyone who wants to hook and hold big fish.
For a normal hook, hook functions should be designed so that the order in which they are executed does not matter.
Each hook must have a safety latch that automatically closes the throat of the hook.
Hold crochet hook in right hand and make a slip knot on hook.
Barbless hook may be slow to Download the hook and gear!
Hook: A single, double or treble pointed hook.
Turkey hanger hook, lifting hook and an oil thermometer.
The curved hook may include a bottom or large hook portion, and a top or small hook portion.
Take your hook and hook the bottom loop, then hook the top loop pull them both over the peg.

So, when you successfully gazump someone, you are most likely costing them financially.
Comcast is weighing whether to attempt to gazump that bid too.