Keress bármilyen szót, mint például: cleveland steamer
 
1.
A woman with a very flat chest, such that it resembles her back. Only the nipples give it away.
The girl at the party was pretty, pity about her two backs.
Beküldő: DesDDD 2007. szeptember 24.
 
2.
A "twoback" is a woman with no visibly protruding breasts. See also: "flat as a board."
Lucy the twoback rarely goes on second dates.

"Is that a stop sign or a twoback?"
Beküldő: snowshoesny 2009. szeptember 26.