Whereas, cleavage implies the top view of a woman's breast, "neathage" implies the bottom view. This is usually accomplished by a female wearing a small shirt, or lifting up her shirt so that not only her abdominal is exposed, but also the bottom of her breasts. Neathage is also possible when a girl has a hand bra, covering the nipples but exposing her cleavage and neathage.
See also: under boob
Dude 1: Yo did you see that chick?
Dude 2: You mean the hot one wearing a baby GAP shirt?
Dude 1: Yeah man you could see her neathage!
Dude 2: Hell yeah dude!
The cleavage seen when a women is wearing a very high cut top. Basically, the tops of the breasts will be covered but from about an inch below the nipples and down will be bare. The word is a portmanteau of "cleavage" and "nether" (meaning under, or below).
Did you see the nethage on that girl back there? She was practically topless!
This shirt has shrunk so much in the wash I'm practically showing off my nethage.
Someone who jumps from one relationship immediately into another one.
Serial monogamists can not stand to be alone and often suffer from vast commitment and insecurity issues.
Because they jump into relationships immediately after the previous one has ended, serial monogamists typically don't take the time to reflect on their behavior or why their previous relationships failed; thus, they end up making the same relationship mistakes over and over again.
Person 1: Damn, Dustin already has a new girlfriend?! It's only been two weeks since he broke up with his fiance! I think he's a sociopath.
Someone or something that bites your ankles.
To a postman, an ankle biter is often known as a dog.
To an adult, an ankle biter may be a toddler.
To hikers, an ankle biter is sometimes a tick.
And so on.