D.I.F.F. 

A person who is willing to
Do.It.For.Free
A ho...skank..or just someone who'll lick their lips
while droppin it to the floor

Ashley: Hey invite her to your party

Jessica: Hell no..shes such a d.i.f.f., she'll probably
dance on the tables and take everyone back to her hotel..that ho

D.I.F.F. by D.I.F.F. Headquarters June 24, 2008

P.D.I.F 

An acronym commonly used by ana people. Stands for: Perfection Doesn't Include Food. Can be used for motivation to starve, or as a reminder of goals for an anorexic.

Someone may have P.D.I.F. on clothing and/or binders as a reminder to not eat.

P.D.I.F by xTwigg April 16, 2007

D.I.F.L. 

drinking is for losers

"hey want to go get wasted?"
"no dog, D.I.F.L."
"wow, ur gay."

D.I.F.L. by bernese April 1, 2007

D.I.A.F. 

Die in a fire. Use this word to suggest ways of how a person should be killed. You may also change the letters to suggest other ways. Such as D.I.A.T. (Pronounced Die-at.) "Die in a tornado."

P1- "Wow. That guys an ass."
P2- "Yeah, he should just go D.I.A.F."

D.I.A.F. by Shebbeh. January 24, 2006

who'd'ven't'f'i'dn't've'nt'f'i'd'ven't'f'ihavn'tn't'd'i've 

A lengthy contraction. Use it your own way, who knows what it actually means. It’s too rusty to translate. The word can be found on Reddit, Tumblr, and probably more, most likely originating on social media.

Mike: who'd'ven't'f'I'dn't've'nt'f'I'd'ven't'f'Ihavn'tn't'd'I've-
John: Mike, shut up, we’re in an interview

who'd'ven't'f'i'dn't've'nt'f'i'd'ven't'f'ihavn'tn't'd'i've by SomebodyNamedFjord April 3, 2020

D.G.I.F.U 

An acronym for 'Don't Get It Fucked Up' from the Chris Brown x Tyga album, 'Fan Of A Fan: The Album'. The song D.G.I.F.U also features Pusha T.

Guy 1: You need to stop fronting, you're finished here.
Guy 2: Stfu dude, I could buy this whole city if I wanted!
Guy 1: D.G.I.F.U, you don't have a stack of cash or a flashy pad, I saw you last week driving a taxi cab. Stop tryna make people thing you're loaded.
Guy 2: Uhm *walks away defeated*

D.G.I.F.U by ballinonem June 19, 2016

M.A.D.I.L.F. 

mother and daugther i love to f@ck

homie 1: you seen elaines mom? elaine and her moms is straight m.a.d.i.l.f.!

homie 2: whats m.a.d.i.l.f.?

homie 3: you aint know? mother and daughter i love to f@ck!

M.A.D.I.L.F. by fattstacks September 11, 2011