What is Sippycup?
1.
An expression of all out joy, similar to the joy expressed by a small child. It is often accompanied by a celebratory gesture of fist-shaking similar to the victory dance of a retarded child, or a person with special needs.
"Dude! Did you see that?! That was a fucking awesome score!"
"SIPPYCUP!"
See
Random Words:
1.
seth cohen's self-made name for his own fists
seth: *referring to his fists* "i call these the twin ambassadors of pain"..