Party Jumper 

An uncontrollable and raging erection stemming from commotion in a social setting.

Wendy walked by to grab a beer and Steve immediately got the party jumps.

Noun;Singular: party jumper

Plural: party jumps

Party Jumper by Millerman69 June 21, 2019

Fan jumper 

A person who suddenly becomes a fan of a resently deceased celebrity, or an upcomming star, but claims to have been for some time.

My friend is a fan jumper. Every time a celebrity dies he/she suddenly becomes their biggets fan.

Fan jumper by Rangoonwala January 18, 2016

Jumos 

Junior Moscow Operatives

Steve Bannon is quoted talking about the 2016 Trump Tower meeting, “The chance that Don. Jr did not walk these Jumos up to his father’s office on the 26th floor is zero.”

Jumos by DarkStarfish January 3, 2018

getting jumped 

The act of being maliciously assulted by a large number of individuals, usually physical but may be verbal.

Oh shit! Danto is getting jumped by those kids! We gota help his ass out!

getting jumped by Nate65 August 24, 2006

Retard Jumper 

A person who jumps off of several playgrounds who is bound to be struck by a vehicle.

Man That kid is such a Retard Jumper he is going to be hit by a car one day.

Retard Jumper by Jake Cooley August 10, 2007

Man-jumper 

A fickle person (whether female or male) who jumps from man to man within a small timeframe.

Erin watched as her best friend, Lynn, changed boyfriends 3 times within the month. She came to the decision that Lynn was a man-jumper.

Man-jumper by Viega February 28, 2010

Tree Jumper

(noun) Prison slang used to describe a child molester.

My new cell mate is a tree jumper - needless to say, this is not going to work out.

Tree Jumper by Jonny Byanik March 4, 2013