F.N's 

Noun. Abbrev-Free Nuts. When your not around your old lady or anyone that will snitch on you about what you say or do

Chris-"hey man I got this chick I wanna tell you about, do you have M.N's(Married Nuts) on right now "

Derreck-"nope, I got my F.N's on, tell me all about that bitch"

F.N's by Derreck Lewis February 4, 2010

F.N.S.M 

Friendly Neighborhood Spider-Man(aka the best super hero )

Man 1."who's your favorite super hero"
Man 2."F.N.S.M"
Man 1."tf do that mea-"

F.N.S.M by BigDaddy_J098 August 26, 2023

T.I.F.R.Y.B.F.W.N.S.F.B.W.Y.T.M.O.T.M.F.S.W.Y.T.D.W.R.A.B.F.B.O.L.B.A.I.C.U.T.A.I.G.B.T.F.O.Y.B 

This is for Rachel you big fat white nasty smelling fat bitch why you took me off the motherfucking schedule with your trifflin dirty white racist ass you big fat oompa loompa ass bitch i’m coming up there and i’m going to beat the fuck out of you bitch

Karen: Where is your manager?
Manager: T.I.F.R.Y.B.F.W.N.S.F.B.W.Y.T.M.O.T.M.F.S.W.Y.T.D.W.R.A.B.F.B.O.L.B.A.I.C.U.T.A.I.G.B.T.F.O.Y.B

T.I.F.R.Y.B.F.W.N.S.F.B.W.Y.T.M.O.T.M.F.S.W.Y.T.D.W.R.A.B.F.B.O.L.B.A.I.C.U.T.A.I.G.B.T.F.O.Y.B by Yellow Hearts 223 January 15, 2020

t.i.f.r.y.b.f.w.n.s.f.b.w.y.t.m.o.t.m.f.s.w.y.t.d. 

This is for Rachel you big fat white nasty smellin fat bitch. why you took me off the mother fukin schedule with yo tryflin dirty white racist ass big fat bitch oompa loompa body ass bitch, i'm comin up there and imma beat the fuck out of you...

t.i.f.r.y.b.f.w.n.s.f.b.w.y.t.m.o.t.m.f.s.w.y.t.d.

t.i.f.r.y.b.f.w.n.s.f.b.w.y.t.m.o.t.m.f.s.w.y.t.d. by That_Dysphoric_Bitch March 31, 2020

F.B.N.S 

Abreviation for 'Fat Boy Not Slim'
Derived from the popular DJ Fat Boy Slim and referrs to an overwieght boy. (or he/she)

Jess: OMG there's F.B.N.S!
Rosie: Who?
Jess: You know, that fat kid who looks like a rhino!
Rosie: shit! run before he eats us!!!! :O

F.B.N.S by Rosie_xx February 5, 2007

F.O.N.S. 

Future One Night Stand. To be immediately followed by a dual thumbs up while saying Arthur Fonzarelli's classic "Eyyyyyy..."

"See that little blonde over there? She's my F.O.N.S. Eyyyyyyyyy..."

F.O.N.S. by sakimoto33 August 21, 2011

F'n B's in the A 

General party term. Stands for Fucking Bitches in the Ass.

All I wanna do is F some B's in the A.

OR

What are you doing tonight?
F'n B's in the A

F'n B's in the A by Korinda & Ashley November 10, 2008