Sippee Cup

A cup. That you sip out of.

I am using a sippee cup.

Sippee Cup by The Masked Olive Eater August 10, 2003

sippie-cup 

half hippie, half scene.
a stereotype.

"oh man, that kid is such a sippie-cup"

sippie-cup by the best hannah ever June 11, 2008