shitapai

When the bottom half of a girl's tits is exposed. Usually used as an otaku term.

Western equivalents include reverse cleavage (upside down), neathage (the nether half), or Australian cleavage (down under).

Otaku: Wow, check Kan'u's shitapai. Just a little pull and her boobs will flop!

by Da_Nuke July 06, 2009