When one proposes an absurd, audacious, undesirable, or illegal act to another, and follows it with the words: "Do it. You won't". The second person is obliged to complete said act.
Guy: See that girl over there? You should go make out with her.
Girl: No way! I'm straight.
Guy: DO IT. YOU WON'T.
Girl: Okay, fine, I'll do it.
Guy: Gotta love a Jersey Bet.
Girl: No way! I'm straight.
Guy: DO IT. YOU WON'T.
Girl: Okay, fine, I'll do it.
Guy: Gotta love a Jersey Bet.
by Dorian Jersey April 12, 2010

by Sirhc Llimah June 25, 2007

alr bet - alr is slang /a shorter version for alright . To be used in text form ... not in real.life conversations that are face to face .Bet means okay , see ya there, promise , for sure, thanks ,and many other things depending on the tone and context it's used in .
alr bet -means alright see ya there ,alright for sure ,alright thanks ,etc.
alr bet -means alright see ya there ,alright for sure ,alright thanks ,etc.
by Whatsyourhandle,asshole? January 7, 2022

An idiotic term term that can be said at any given moment. Used to win any argument. Can be randomly screamed in public and no one will care.
Can be randomly chanted with friends to annoy another group of people.
Best of all, when someone asks you anything, it is customary to respond with "Finna Bet" in all 3 countries (United States of America, U.S.A., and America)
Can be randomly chanted with friends to annoy another group of people.
Best of all, when someone asks you anything, it is customary to respond with "Finna Bet" in all 3 countries (United States of America, U.S.A., and America)
person 1: Hey honey, how was school today?
Person 2: Finna Bet!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Person 1: ???????
**Person 2 walks away**
Situation 2:
12 year old: I can beat you in a race!!
Olympic runner: No you can't!
12 year old: FINNA BET BOIIIIIII
Person 2: Finna Bet!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Person 1: ???????
**Person 2 walks away**
Situation 2:
12 year old: I can beat you in a race!!
Olympic runner: No you can't!
12 year old: FINNA BET BOIIIIIII
by LukePMichigan2003 December 6, 2017

Said when one is 100% for the cause, even if the cause is unknown. Also said to make the leader feel they have a persons 100% trust, even if not entirely true.
by TLB4 March 1, 2009

Means “alright bet.” Basically means “sounds good.” It can also be used as a noun, for example “that’s an ard bet,” which means that the thing being described is agreeable/pretty dope.
by Ry Fish March 9, 2018

An agreed proposition in which one of the people taking part cannot lose money or items but can gain them
john betted sophie 5 english pounds that he could jump the wall. However he did not jump it but he did not have to pay because it was a "Fabian bet".
the next day John jumped the wall which subsequently meant that sophie lost 5 pounds whilst john gained
the next day John jumped the wall which subsequently meant that sophie lost 5 pounds whilst john gained
by lwvp June 11, 2009
