jackshart 

the act of soiling one's pants while vomiting. From the slang "hit the jackpot", to vomit; and "shart", to soil one's pants.

My friend jacksharted after a heavy night of drinking

jackshart by Icarus Kraven May 8, 2006

jackhat 

A cross between a jackass and an asshat. Can be used in situations where it's not appropriate to say "ass".

(With kids in the car) "That jackhat just cut me off!"

jackhat by Trogdor|nubtastic October 19, 2005

Jackshitter 

Someone who enjoys jacking off at the same time as taking a shit. Usually a guy named Ketan.

I was watching porn while on the pot.

I couldn't help but jackshit..

When his buddies found out he was jacking off while taking a dump, he was forever known as a jackshitter..

Jackshitter by Jayjay May 3, 2014

Jackshirt 

A jacket or sweatshirt.

Example 1:

"Hey! I like your Jackshirt!"

Example 2:

"Your Jackshirt is hawtttttt."

Jackshirt by Olga Pervloski December 18, 2008

Jacksnarf 

two people sit in bathtub naked, one farts and the other slurps the bubbles with a straw

i had to jacksnarf all day cuz i ran outta food

Jacksnarf by hot lunchbox March 11, 2009

Jackshapher 

The coming together of many friends to celebrate the birth of the three most important of the lot.

I was very excited to be invited to Jackshapher '09, and I knew I couldn't miss it.

Jackshapher by bobbobobbobob January 18, 2009

jackshit 

nothing

i ant doin jackshit dude

jackshit by Knighty July 12, 2003