DSF 

Designated Sober Friend.

That one friend who doesn't drink or smoke at all, but comes with you to all the parties. Sometimes they might get made fun of, but you can always depend on them to get you home.

"Hey, wanna hit up Delta Upsilon tonight?"
"Sure! I'll grab Katie, she's a great DSF."

DSF by KernelCore October 1, 2014

DSF 

AKA Dungloe Street Fighters.

Group of youths who terrorize the small, usually peaceful village of Dungloe in Co. Donegal.

Well known locally for their unforgiving Mafia style leaders, the DSF regularly steal from The Cope and have been the main reason why Dungloe haven't won the Tidy Towns this last few years.

Did ya see that flower pot dug up in yer wan's garden?

Aye, the fucking DSF are at it again >:(

DSF by Concerned Local November 8, 2010

DSF 

Dick Sucking Face. The face you make when you suck dick. A play off of DSL (Dick Sucking Lips)

"She has a pretty hot DSF"

DSF by pookie5435 November 3, 2011

DSF 

drink, smoke and fuck!!

"Hey bro, what do you wanna do tonight?
-DSF!
-Right on!"

DSF by Myriam and Pat July 2, 2010

DSF 

= Dirty Street Fight.

Tanfan and Trevor are totally DSFing on the RCMB!

DSF by ChadHennesTailBone October 9, 2005

dsf 

Primarily used by antifats as a greeting.
Other usage may include: expressing excitement, expressing happiness, or a taunt towards fats.

"They're shutting down Internal Affairs."
"That's very dsf."

dsf by TrooperBeans November 26, 2020

DSF 

dead sexy female, perfect girlfriend material. hustler of men

dear DSF, thanks for being the greatest girlfriend ever.

DSF by lola nicola July 15, 2007