tui mater

Latin for "Your mom". Can be used to display one's superiority; even moreso than conventional "Your mom" usage it can, because it's in a different language and makes you sound smarter.

1: So, what're you doin' tonight?
2: Tui mater! O!
3: *face melts from display of awesomenity*

by Der Capitan November 2, 2003