JAM

This is an abbreviation for "just a mustache". It refers to the popular style of past of men sporting "just a mustache" without any other facial hair whatsoever. JAM was popular in many decades before the 1980s, but seems to have gone to the wayside since then. Often, men sport JAM in situations almost as a joke. This term was coined in the 1990s in Sarnia, Ontario and anyone who thinks they coined it before then may have done so concurrently, but not before me.

1. Magnum PI has JAM.

2. Hitler had JAM....it was a toothbrush JAM.
3. JAM rules.

by simonchuck June 21, 2009

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Get the JAMmug.

Rocky Mountain Log Jam

When your partner has to take a shit so you butt fuck them and they have to try and push your dick out with their turd

Me and the wife did a Rocky Mountain Log Jam last night. It was so hot!

by Fatdrunknstupid July 20, 2025

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Get the Rocky Mountain Log Jammug.

Jam

An abbreviation of the welsh word "jaman", this is an exclamation used when a person says something with a degree of certainty, which is immediately contradicted by the words or actions of either the same or some other person, or some other event.

Friend 1: I did not sleep with that ugly girl!

Ugly Girl: I had a great time last night, call me!

Friend 2: Jam for you!

Flatmate 1: I know there are no tickets left for that comedian next march!

Flatmate 2: Well I just bought 2 tickets for the the late show online, so jam for you!

by colingra February 12, 2009

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Get the Jammug.

space jamming

When a woman suspends her snatch into space on three limbs, while using the remaining limb to jam her fingers inside her vagina, so as to exercise self-pleasure.

I walked into her space jamming above the hot tub.

by Pintor May 5, 2023

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