n.
the bit of exposed helm of someone's boner when it is tucked up into his belt line; cleavage of the penis.
Aaron's gym shirt is way too small. When he reached up to do some pull-ups, his cleavis was totally showing.
by Pu Chung Lao June 10, 2008
Get the cleavis mug.
A euphemism, or the substitution of a mild, indirect, or vague expression for one thought to be offensive, harsh, or blunt.
"Bull cleavis!"
"Cleavis you!"
"Cleavis hole!"
"Stop cleavising around!"
"You little cleavis off!"
"No cleavising!"
"You're cleavising me!"
by Shindzay Lindle February 27, 2008
Get the cleavis mug.
Anything you want it to be. A noun, an adjective, even an adverb, let's be honest... It's kind of like the "mug" of yesteryear.
"Giiirl, your cleavis be lookin' good in dem jeans, jeans!"
by Shindzay Lindle February 18, 2008
Get the cleavis mug.
The state of a woman's blouse in terms of its ability to display her cleavage.

Note: Breast size and bra performance can drastically improve cleavisibility.
Joe: Dude, that chick has HUGE melons.

Mike: Yeah, and her camisole has superior cleavisibility.
by c0r0nawlime September 22, 2009
Get the Cleavisibility mug.