Ψάξε όποια λέξη θες, όπως bukkake:
 
1.
A thin layer of chocolate on ice cream that will freeze up when it comes in contact with air.

Hence, fecal matter residue found on one's penis after anal sex.
"Dude, when I pulled out.. bitch gave me the Magic shell !"
από The Nitwitz 4 Ιανουάριος 2004