turtleweenie 

an extremely small, disgusting penis-- most likely owned by Frank Chi or Ben Kessler

Gurrrrrllll, I nearly died when I felt him grindin his turtleweenie into my ass!

turtleweenie by smegma March 27, 2004

turtlepenie 

A man with a tiny penis, that hides inside his body when he is about to have sexual intercourse.

Max had total turtlepenie last night.

turtlepenie by NatalieMN November 24, 2006