A cousin pumper is a person who fucks their cousin. Typically these people originate from southern United States.
Bill: "dude did Brandon tell you about that chick Tia he banged last week?"
John: "Tia is his cousin, man..."
Bill: "gross that guy is a cousin pumper?!"
John: "Tia is his cousin, man..."
Bill: "gross that guy is a cousin pumper?!"
by Boobert Goobert September 27, 2017
 Get the cousin pumpermug.
Get the cousin pumpermug. by jackbriggs March 26, 2013
 Get the peter pumpermug.
Get the peter pumpermug. A man who constantly wants to bang a bbw, those who love women with more to love, one who fantasizes about sexual encounters with big women, or those of us who are lucky enough to be able to fill one up on a regular basis.
I can't stand when my bbw girlfriend goes out of town, all I can think about is banging her, I am a true plumper pumper,
by fat lover August 19, 2007
 Get the Plumper pumpermug.
Get the Plumper pumpermug. by Farmer69 November 28, 2013
 Get the Coon pumpermug.
Get the Coon pumpermug. One who likes to bang fat chicks.  (Fat not PHat).  Also know as a pig hunter, pig farmer, chocolatier.
Rob: Its not that she is just fucking some other guy right now and idont want in the middle, i will find new girls, i just wanne be friendswith her.  Besides, theres a fat bitch in raymond i might nail soon.
Dan: Hey big girls need love too, I just never figured you 4 a plumper pumper!!!!
Rob: awwwww damn
Dan: Hey big girls need love too, I just never figured you 4 a plumper pumper!!!!
Rob: awwwww damn
by Dano3805 October 25, 2006
 Get the plumper pumpermug.
Get the plumper pumpermug. by Michael Krein  November 7, 2007
 Get the quick pumpermug.
Get the quick pumpermug. Simon's arm was hurting this morning?  You talking about Simon turner?  Yea, he had a pumpers lump from feeding the geese.
by The Burt of Punta Dilla Shorts December 25, 2006
 Get the Pumpers Lumpmug.
Get the Pumpers Lumpmug.