look up any word, like hipster:
 
2.
The phenomenon that occurs when an individual who owes you money (from a previous bet situation) repeatedly forgets to pay you back because he/she "forgot".
John: Hey, do you have my money?

Calvin: Whoops I forgot, tomorrow for sure!

John: Fine.

*next day*

John: Hey, do you have my money?

Calvin: Whoops I forgot, tomorrow for sure!

John: Worst Bet lag!
by shaquillejohnson May 17, 2011
 
1.
The phenomenon that occurs when the losing party of a bet repeatedly forgets to grant the winning party its winnings due to apparent "memory loss".
Bet Winner: Do you have my 5 bucks today?

Bet Loser: Sorry, it's in my other wallet. Tomorrow for sure

Bet Winner: Damn, you have some serious bet lag!
by lagmaster69 May 28, 2011