jmsu 

JMSU stands for 'Just Make Shit Up'. JMSU is a scientific term utilized to define unknown sets of data.

I used JMSU to certify the accuracy of the information supplied.

jmsu by Gruntaaa October 23, 2013

Jmss 

John McCrae Secondary School, a high school in Barrhaven, Ontario. A waste teacher called Mark Blaisdale works here, he’s racist, no one likes him. That’s about it apart from the crack head and the nic fiends

Mr Blaisdale is a cunt. He goes to jmss ofc

Jmss by SuckmeMama September 26, 2019

jmswift 

also known as jiem, is a bangswiftie who accepts BTS and Taylor albums anytime, just dm him. Also, he's not yet finished in EAPP, send him answers pls

don't call him jmswift, call him jiem wbk.

jmswift by jmswift⁷ October 17, 2020

JMSDB 

Super dumb Asian man.

Synonyms: Redneck, idiot, fool

Stop talking to me, you're such a JMSDB.

JMSDB by JMSDB November 15, 2022

Jmsofnrknqi

A word that only exists to be in a dictionary (screw you u/CarterClat on r/truths).

The word "Jmsofnrknqi" DOES appear in a dictionary.

Jmsofnrknqi by Professor01114 December 23, 2025

jmsofnrknqi

A series of letters strung together and put in the dictionary to make a post false

"Jmsofnrknqi doesn't appear in the dictionary" -one dude
"It does now" -second dude

jmsofnrknqi by Sharkfloatinginthevoid December 23, 2025