When a girl does something sexual, but doesn't cause the male(s) involved to cum.
Nah dude it was a quasi! It wasn't good enough to get me blue-balled.
by xBatesanx January 9, 2011
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A person who someone is almost dating. Used when discussing a couple where everyone thinks they are or should go out but have not yet made it official.
Jon and his quasi juggle soccer balls.
by Clong December 1, 2004
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A right minging bunter. Other words used could be swamp donkey or, of course, carrot cruncher! Normally a quasi will have a slight limp or will just walk abit funny (Like they've just shat themselves for example!)
"Bloody hell mate, look at that chick over there walking like a right noggin, wait a minute, is that a chick or a bloke?!"
"Jesus harry christ son, that ain't either, thats a bloody quasi!!"
by Trev November 19, 2003
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1. Almost, but not really
2. Strange, weird, or obscure.
Ill just have to sit here while he things of some other quasisexual things to do with me.
by Gotenski December 29, 2005
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When two people are in a relationship that they are extremely unsure about and won't admit anything to their friends about where their relationship is going.

Often times roommates will plan their night around hanging out with their "quasi" so that they won't jeopardize friendships including bromances.
Dave: "Yo Bro, what you up to this week man?"
Brian: "I'm hanging out with the quasi on Monday."
Dave: "Waaa, allright bro I guess that I will plan something with my quasi on Monday so that we can bro-out the rest of the week"
by Coriah April 4, 2009
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quasi-
kwāˌzī,ˈkwäzē/
combining form
prefix: quasi-
1. seemingly; apparently but not really.
"quasi-American"
Similar:

supposedly
seemingly
apparently
allegedly
reportedly
professedly
ostensibly
on the face of it
to all appearances
on the surface
to all intents and purposes
outwardly
superficially
purportedly
nominally
by one's/its own account
on paper
pseudo-
pretendedly
ostensively
supposed
seeming
apparent
alleged
reported
ostensible
purported
nominal
so-called
would-be
bogus
sham
phoney
imitation
artificial
mock
ersatz
fake
forged
feigned
pretended
simulated
false
spurious
counterfeit
fraudulent
deceptive
pretend
put-on
fakey
cod
ostensive
- being partly or almost.
"quasicrystalline"
Similar:

partly
partially
in part
part
to a certain extent/degree
to a limited extent/degree
to some extent/degree
half
in some measure
relatively
comparatively
moderately
(up) to a point
a little
somewhat
almost
nearly
very nearly
just about
all but
not totally
not wholly
not entirely
not fully
incompletely
Origin
LATIN
quasi --> quasi-
as if,
almost
from Latin quasi 'as if, almost'.
Spanish synonym: casi
"everybody gangsta 'till CSS pseudo-elements are called quasi-elements"
by SpeedoThreeSixty February 19, 2021
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Quasy: A very ugly or deformed human or object. Usually used to describe someone in a joking way.
Amy: That's an... interesting dress.
Maria: You mean that's it's a little quasy. Yeah, I know.
by beautyandthebeastgeek June 4, 2018
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