thundercap

A head piece worn when battling in Thunderdome

Put on your thundercaps everybody, we're opening Thunderdome!

by The Dr B January 25, 2007

italian thunderfap

the act of fapping so hard while playing super Mario, that it sounds like thunder

Mike: dude, what happened to your arm? did you hit the gym or something?
Mark: nope
Mike: then what?
Mark Italian thunderfap!
Mike: all day everyday!

by Dr. Dro October 7, 2013

Thunderflaps

large pussy flaps which make a clapping sound when moved fast

her thunderflaps claps when she walks

by SuperStu9000 March 15, 2009