Japer 

1.The act of playing your guitar for your baby girl after sex, no matter how bad it sounds

2. The act of ejaculating in less than 45 seconds

Guy1: Hey i totally had sex with my girl friend yesterday

Guy2: That's awesome, did you use the japer?

Guy1: o hell no, i'm not a giant faggot.

Japer by Geneseofarmplow1! May 6, 2009

Japer 

From the noun 'to jape', as in, 'to joke.'

1. One who enjoys the japes.

2. An expert in the art of japing.

1. Ollie said he's going for a bath, but we all know that he's really going for a wank. What a japer.

2. Did you see the Dark Knight yet? Heath Ledger, what a japer.

Japer by TheJaper July 27, 2009

japer 

A person who will go to extraordinary lengths to gain advantage at board games

Dude, did you see that unreal Bingo that he laid down at Scrabble
last night?. He's a fuckin' japer.

japer by KenE. March 4, 2009

japer 

noun: a disgustingly fat adolescent who drinks starbucks and throws up when smelling something bad. reads poetry and hides his emotions behind misfits shirts and black pants.

"wow look at that kid over there, hes really fat, drinking starbucks, wearing a misfits shirt and black pants, and reading poetry"

"what a japer!"

japer by MuRpL July 29, 2004

Japer 

A fat kid who goes to starbucks and sips on his coffee while listening to emo.

Jp Quine

"Bro, lets go down to that rad place Starbucks and get a coffee and write poetry. Then we could be a Japer too!"

Japer by Joe Nelly July 9, 2004

Japer

A japer is a person who masturbates so intensely that they are on the cusp of raping their own Penis.

You know that retard dale is a Japer right, hes never touched pussy in his life.

Japer by PercSniffer2000 February 2, 2026

Japer The Caper

An amazing person. Everyone loves him.

"Hey look it's Japer the Caper!!!!!! He's amazing!!!!!!!!!!!!!!!!!!!!!"

Japer The Caper by Japerthecaper December 5, 2023