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Involves two persons. One individual with food or some chewable foreign object in his or her mouth positions said on their upper or lower teeth. The other person positions their mouth in such a way as to chomp or "gnash" the food or foreign object. During the gnashing, saliva is usually produced and maybe used as a lubricant for various sexual activities.
Shaun and I had sex after gnashing a piece of gum he found in a public washroom.
gnashing by STUN January 8, 2006
a verb that means you are telling lies about people behind their backs and will do anything to be cool
"that girl over there is always gnashing'
gnashing by BigPapaRedneck December 6, 2016

gnashing of teeth

The utter shattering of your teeth (self grinding) on your indestructible joined love ones eonically driven.
In Gehenna there is The gnashing of teeth.
gnashing of teeth by Hellsprung December 8, 2017

gashing out 

Phrase used as a reason to back out of attending an event when you don't have a reason
Adam: Michael, are you coming to the pub tonight?

Michael: I'm gashing out tonight
gashing out by CoolerthanDenard November 20, 2013
To have sex with a woman
"Were you gashing last night mate?"
gashing by Minichedders January 14, 2008

Gashington 

An small area with a high density of gash.
All aboard to Gashington station.
Gashington by yehman09 December 20, 2009
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
Short-hand for the word floccinaucinihilipilification, meaning the estimation of something as valueless (encountered mainly as an example of one of the longest words in the English language).
After we broke up, he was floxi to me.
floxi by Dr. Geek May 13, 2009
Word of the Day on September 28, 2026
NYC people who migrate north to Quahog, RI to see the leaves in the fall.
New York and everyone from there can fornicate themselves with an iron stick.
leafers by ss++ February 8, 2005
Word of the Day on September 27, 2026

Respectfully 

Precedes or follows either a gratuitously disrespectful or honest remark, originated in New York City. Used in similar fashion to "no offense" or "to be honest," interchangeably.
Ya mans is wild buns, respectfully. Respectfully he's washed.

After school, The Modells on Jamaica Ave was active. Respectfully.
Respectfully by john quan the first December 20, 2020
Word of the Day on September 26, 2026
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