Definitions by Thelegendarymike

Shlap 

To hit another person with a large fish, usually in the face.

He shlapped him with the flounder.

Shlap by Thelegendarymike March 3, 2007

Shlip 

To throw a small fish at another person, usually hitting them in the face, basically projectile "Shlaping".

When his friend was insulting him, Jeremy simply picked the fish off his pizza and shlipped him".

Shlip by Thelegendarymike March 3, 2007