F.T.F.D. 

Failure to Follow Directions

"Ashley didn't read the instructions at the top of her lab tech test and got an F due to F.T.F.D."

F.T.F.D. by phantomchains July 7, 2014

S.I.T.F.D. 

Shut it the fuck down

A Code name for when we get tired of doing our job and we need a break we use the term S.I.T.F.D.

S.I.T.F.D. by Ticman October 12, 2011

i.w.t.f.d 

Acronym for I want to fucking die.

Wow I.w.t.f.d

i.w.t.f.d by Haha haha January 12, 2020

C.T.F.D 

Calm the fuck down

Like oh my gawd becky C.T.F.D it is not that serious

C.T.F.D by Kongo Kong July 3, 2018

P.T.F.D. 

A disorder in which a person has difficulty recovering after experiencing or witnessing a firefighter steal your girl.

Steve is now suffering from P.T.F.D. after he came home and found his wife in bed with a firefighter

P.T.F.D. by Steve Steve Steve September 9, 2018

P.T.F.D. 

A disorder in which a person has difficulty recovering after experiencing or witnessing a firefighter steal your girl.

Steve is now suffering from P.T.F.D. after he came home and found his wife in bed with a firefighter

P.T.F.D. by Steve Steve Steve September 9, 2018

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