look up any word, like sparkle pony:
 
1.
Noise made while having sex.
Guy: "Wow, we're having some good sex."
Girl: " Yes. Yes we are."
*Backgound noise: "Shlup shlup shlup shlup shlup shlup shlup shlup shlup shlup shlup shlup shlup shlup."
by Bou Bou May 13, 2006
 
2.
One who acts in a foolish manner or stupidly.
You are being such a shlup.
by Rusty anglin December 14, 2002
 
3.
shortened version of ShlupQuack
hey Shlup! your boyfriend's name is BJ! which stands for blow job! lolz!
by Denmark October 08, 2004