massball 

1.girl who is your best friend when she is single and then ditches and forgets who you are as soon as she's with someone

2.a guy who is is big but not muscular ie."thick"

"Ash and Jay are so in love shes been a massball ever since they got together."

"Uh uh i never thought she'd be a massball, yo she a bitch for that:"

"Damn girl ur man is a massball,he too big for you."

massball by leonor aguilera October 25, 2006

Angry Mossball 

When having sex with your girl, you grab a large wad of wet moss and throw it in her face. Laugh afterwards in a hearty way.

Ah last night I so Angry Mossballed my girlfriend!!! What a night...

Angry Mossball by The Angry Hiker February 18, 2010