Protein Suprise 

When you have a protein shaker and defecate in it. Mix it up enough to look like a chocolate protein shake. Then proceed to convincing a fellow gym monkey you've got the gainer of Ronnie coleman and he should try it.

Hey tommy try my new shake its the top quality shit, its called protein suprise

Protein Suprise by bigdogswag April 18, 2016

protein surprise 

when u tell a chick that ur not gonna cum in her but u do anyway casue its funny

hey, i promise not to sum in ur fun hole, and i won't leave u a protein surprise.

protein surprise by jack package December 6, 2007