an uncircumsized penis;When a guy inserts his dick into a girls vagina and the foreskin suctions to it like a plunger.
Nich has an nasty looking meatplunger, did you hear the noise it made last night , ew!
by shockingjo January 05, 2014
A penis that is circumsized, and is typically found on people with the name 'Mark".
I was in a skype call, and Mark went on video cam and showed me his meatplunger.
by shocknz January 05, 2014