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Originates from Chicago, specifically the Italian population. Some believed the mafia coined the term. Its commonly confused to mean a combination of Jag-Off and Homo.

Definition: Jack ass mother fucker.

Used a lot in road rage due to the piss poor driving in Chicago. Jagmo is almost always follows the word fucking.
You fucking jagmo where's my god damn money!?

Driver: WHAT THE FUCK?
Passenger: what's wrong man?
Driver: THIS FUCKING JAGMO IS DRIVING TO GOD DAMN SLOW!
Jagmo by ChildFondler420 December 30, 2014
Related Words
Jagmo • Jagmohan • jagmon • Jagmonster • Jago • jamo • Jagon • jaggon • jaggot • jaggoff
One who has a stupid face especially Paul.
Paul is such a jagmo and he needs to stop moshing grits all the time.
Jagmo by Tony April 20, 2003
A Chicago based tribute band that covers a different artist at every show. D-Wiz plays drums.
ARTIST APPEARANCES:
Green Day, The Bloodhound Gang
jagmo by Liam Grovernoodle June 15, 2004
You’re a sped
You’re a fucking jagmo u cunt
Jagmo by Heouzbajozjnaa May 16, 2019
Stands for "Just another grifter move on", a call to ignore people online, who want your money and attention.
Some youtuber tries to sell his exercise program or some bullshit supplements. *In the comments*: JAGMO
JAGMO by fckgrifters November 11, 2025
Juh-Gewp

n./adj.

Any object that when inserted into the mouth brings oral pleasure; excitement of the taste buds. Also commonly referred to as a "schmook." A jagoop could be anything from chewing tobacco to "schmookie good" food.
Let's go watch some football and get a big ole jagoop.

That Chipotle burrito bowl was jagoop as fuck.
Jagoop by Schmokie September 15, 2013
More from Urban Dictionary

Slop Grenade

When someone uses AI to generate a large document, slide deck, or piece of code/software and tosses it over the fence for you to deal with.
Chad: Hey Brent I sent you the new backend API change to review, it’s only 100 files changed.

Brent: he just tossed me a slop grenade
Slop Grenade by Joe Squid September 28, 2026
Word of the Day on September 29, 2026
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