Jumpkin 

Much like a blumpkin where you get blowy while dropping off a SEAL team, its when you jack off and take a shit at the same time because you're stuck in some third world shithole or... your parents house.

dude 1 walks into the bathroom
dude 1: hey man, hows it going? you've been in here a minute.

dude 2: it was going good until you interrupted my jumpkin

Jumpkin by 9223-beotch April 3, 2013

Jumpkin 

The act of making yourself cum while simultaneously dropping a deuce.

My girlfriend wouldnt give me a blumpkin because apparently she hates the smell of my deuce, so I went into the bathroom and gave myself a jumpkin.

Jumpkin by usmc_nightmare March 25, 2010

jumpkin 

Jacking off while fingering your butthole, with the result being intense sexual pleasure.

After Pat's underwear were frozen, he sat in his room and gave himself a jumpkin.

jumpkin by jackinit April 3, 2005

Doodle-jumpkin 

to receive a blumpkin while playing the game Doodle jump

no one has ever gotten a doodle-jumpkin

Doodle-jumpkin by the man the myth the maker July 20, 2010

canadian jumpingjacks 

The sexual act of performing jumping jacks naked while your partner gives you head. And if you want to really get into it you can add some maple syrup and the 1998 Denver broncos!

Man last night was awesome me and my girl were doing some canadian jumpingjacks with the 1998 Denver broncos and maple syrup it was fantastic.

canadian jumpingjacks by the side effect January 9, 2010

jumping ships

when someone decides to switch sides just because the side they were originally on was losing.

That douche was jumping ships just because they suck

jumping ships by Fogol December 27, 2009

Jumping jackass 

This is someone who is aggressively, obnoxious and loudly idiotic.

Geraldo is a real jumping jackass!

Jumping jackass by I, Wreckerrr April 16, 2021