2 definitions by Melissa Egan

A term commonly used in reference to a man's erection. Basement meaning pants, and the kangaroo speaks for itself...
"Derick totally had a kangaroo in the basement when he was helping you on your golf swing today."
by Melissa Egan February 15, 2007
Get the Kangaroo in the Basement mug.
Phrase commmonly used to describe a male's erection. Basement refers to the pants, kangaroo...well that speaks for itself.
"Daaamn son! Thurs no way you coulda hid that kangaroo in the basement."
by Melissa Egan January 29, 2007
Get the kangaroo in the basement mug.