diff 

A "different" person. Normally a frequent patron of any thrift store in the area. One trying so hard to be different that they are in fact just like all the other kids that are different.

kid 1 "Hey look at that dude in the yellow pants and Gumby shirt."
kid 2 "Yeah, he's a total diff."
kid 1 "Dude I want a Ted Dibiase Shirt."
kid 3 "You diff."

diff by Charlie Grinders December 26, 2005

diff 

a person who is self conscious

Diff says: "Is there anything in my teeth?"

diff by DanJuan April 19, 2005

Diff 

While giving a blowjob a woman blows into the penis causing a male queef.

Chris was was getting way too excited in Different in Kayla's face causing her to road House kick his face.

Diff by Crazycatbitch11 January 16, 2019

diff 

Absolute gibberish.

"Diff yo dong day dam ay too sorrryo."

diff by superficial.user March 11, 2019

Diff 

Someone who does things solely for other people's approval. Someone who regularly flakes on plans for someone else.

Matt: Should I invite Katy to the the barbecue?
Dan: Nah, she's such a "diff" there's no point.

Diff by synurb June 11, 2020

diff 

Word commonly used to describe how bad someone is at the videogame. Synonymous to words like "trash" and "garbage".

Tracer diff.

diff by FaxMan7 April 29, 2021

diff 

The apcope of "different." A simpler way to say "different."

She is "diff," means she is "different." It is an apocope, a type of word that cuts off the last syllable or syllables of a word; the way bike, (all) caps, deli, demo, diff, dis, exam, fries, gas, info, intro, limo, peds, perp, rehab, rep, specs, stats, and others do.

diff by but for April 15, 2022