obscenely large sunglasses that cover up most of the face, worn to be "fashionable" or worn by a butterface to decieve men.
Guy 1: Hey, look at this dime piece over here.

Guy 2: Don't get to excited, those flasses gotta be hiding something.
by nickred September 15, 2008
10 more definitions
Top Definition
Glasses that do not contain prescribed lenses, usually found on the shelves of your local Dollar General. worn by women who want to look sophisticated or cop out of putting on make-up/doing hair.
"check her out, she is totally sporting flasses"
"those can't be real, they are deffin. flasses!"
by Pyrotastic December 01, 2007
1) A flat ass
Person 1: "Oh my goodness look at that skinny bitch!"'
Person 2: "Haha, yeah, look at the flass!!!"
by forwhatitsworth July 01, 2009
n. 1. an idiotic or lazy person who has not lived up to expectations. 2. some guy who is a disappointment. 3. originating from “flaccid,” flass refers to a person who cannot get an erection. 4. a big sweaty geesh hole
vb. flassing, flassed, flassing-out, flassed-out 5. to not get involved 6. to be absent at the annoyance of others. 7. to have your manhood sagging lifelessly at the opportune moment.
adj. flassy. 8. without interest or enthusiasm 9. sluggish; inactive; droopy; languid

flastic, flastic-modulus, flassability

Due to other commitments keeping him out of town, Adam was branded as a massive flass by his house-mates.

Through ridiculous amounts of flanging around Taz’s highly flastic personality converted to a flassed-out phallus.

Franco is such a flassy flass!
by TLJ May 03, 2007
A flat ass woman a woman with no ass who seems to think they got an ass
Omg that girl tryin to shake dat flass
by Meygan April 11, 2006
When you floss your teeth with hair you acquire whilst eating ass.
I only had time to eat ass or floss so I flassed
by Tastygumdrops March 06, 2015
Flat ass
She has a flass.
by Hshshgsgdgdhdh February 20, 2015
A contraction of the words "flaccid" and "ass".
Wayne inherited his mother's flass.

I looked up from rolling a joint and saw Catarina's flass flapping in the wind.
by KangDuc September 30, 2008

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