S.I.L.F.

1. a Sister I'd Love to Fuck

2. the name for a person's hot sister that you would take pleasure in having sex with.

Bob's sister Allison is a total S.I.L.F.

by Joseph Drank June 30, 2006

F.L.A.P.S

Fat Lard Ass Piece of Shit. Other wise known as a stradley.

Person a: how long does it take that fucker to get us some ammo?

Person b: It could be all day, F.L.A.P.S. is takeing his time again!

Person a: Fucking FLAPS!!

by dirtyrottenscoundrel53 November 9, 2008

I.S.M.P.F.L.

I Shit My Pants From Laughing

dude, ashley queefed in the middle of class! I.S.M.P.F.L.

by schlipdopp yummm February 22, 2010

S.I.L.F

Sheep I'd Like to Fuck sheep shagger} - A common welshism/bristolian term, often quoted whilst at the local farmers market.

'Cooor, that there Black Mountains a bee-uty!'

'Aye, she's a right S.I.L.F'

by PoL, Gas, Cymraeg. July 3, 2008

S.H.L.F.

Steve's House Liberation Front, committed to the ending of all recreational activities at Steve's house and the search for 4 new livers. The use of violence is not condoned though often used when necessary.

I'm down with the S.H.L.F.

by S.H.L.F April 24, 2005

L.A.F.S.S.

(Love At First Sight Syndrome) a disability that makes you fall in love easily.

"I met your mother due to my L.A.F.S.S."

by C. Sterling December 14, 2019

S.T.F.B.L.

An acrostic term used to express the phrase, "Story Telling Followed By Laughter". S.T.F.B.L often takes place when a group of friends congregate and reminisce about past events in a stress free environment.

"Yo, Russell's story last night was so funny. That chill was such a S.T.F.B.L."

by Doc. L October 10, 2009