jankpants 

A jankpants is someone that is obsessed with masturbating and anything about it.

Omg , you are such a Jankpants all the time!

jankpants by GaryTheGuy December 3, 2017

Japants 

Pants made in Japan.

Japan + Pants = Japants.

Dale: "Whoh, nice pants. What kind are they?"
Phillipa: "Japants!"
Dale: "Oh, I thought you had a period."

Japants by PHIL MATE! December 5, 2009

Jerkpants

When someone is being a really stubborn or acting stupid towards something.

1.That cop who gave me the ticket was a real jerkpants.
2. Stop being a jerkpants and help me with this.

Jerkpants by ALAMB April 29, 2005

wankpants 

Total and utter prick, however can often be a reasonable person when they are with you on their own. Often thinks they are better looking than they are, and acts like they are way out of your league, when in reality it is the other way around.

Oh... thats wankpants!

wankpants by Cheeky_chaz September 28, 2010