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1.
When you eat a big, hearty meal and hours afterwards you rip wind (fart) and it smells exactly like what you had eaten. Sometimes, if its a good Bennigan, you can cut a fart and it makes people hungry, or think a great meal is cooking in the kitchen.
Jared just ripped a Bennigan that made me crave a standing rib roast.

Adam just let a Bennigan from the Benny's Pizza he had a few hours ago.
by RAS8325 December 30, 2007
 
2.
1. wak as hell
2. poser ass bitch
3. mark ass trick
4. trick ass mark
5. wannabe gotti boy
G-Weezy: yo look at that bitch ass poser over there.
tre-dogg: damn son, that bitch is straight bennigans.
G-Weezy: YO BITCH, YOU BENNIGANS
poser: what does bennigans mean?
by E-Deezy June 05, 2007
 
3.
Adjective used to describe anything stupid or uncool.
John: Hey, that party last night was amazing.
Alex: Man, you don't know what you're talking about. That party was total bennigans.
by miamipalmetto May 22, 2007
 
4.
1. An Irish-style chain restaurant/pub.
2. The place where half of the 711 crew ends their long day by downing some miller lites and hard liquor.
3. Home of the FPJ(full price jew).
<Radames>Steve, where you at?
<Bardo>I'm getting a Buff Chick San from Bennigan's.
by Ghost February 05, 2005