1 definition by arolive
When kids are fat they are known as butter trolls, this is a way to tell about those fat ass kids when they grow up.
Damn, I must say when Sarah was little she was a butter troll, but she has evolved into an Obesiosaurusrex.
by arolive April 07, 2010
Get a Obesiosaurusrex mug for your bunkmate Yasemin.
