Genital abrasion caused by masturbation, resulting in a red, raw appearance, peeling skin and possibly bruising.

Specifically, a ‘Smithy’ injury is caused by the frequency, duration and pace of masturbation only, and not the result of the deployment of foreign objects.
I’ve jerked off so much I’ve given myself a Smithy
by Iyman R Sole February 22, 2022
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His rapping is so smithy and sharp, especially, right on with the truth of the matter.
by Smithy1001 May 30, 2014
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A total asshole with the last name smith. Will talk shit about anything.
I met this guy at the bar last night he was a total smithy.
by Pipicit May 10, 2018
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a student of smith college; the most fabulous women (and those who identify differently) in the world
"Ze goes to Smith"
"Yeah, I know, ze is one hot Smithie"
by chem grrl March 6, 2005
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1. To do something you're not supposed to do
2. Is illegal
3. A weak U-Turn
4. Eeeeeeeeeeyeah!
OMG you did THE SMITHY through that double yellow line!
by H8erlines August 3, 2010
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When fucking a chick from behind, either through sexual curiosity, anger or just boredom you stick a finger into her anus. The Smithy is not limited to a single digit over time the goal is to work up to a Full Smithy (whole fist!).

The effects of The Smithy vary so be careful when using it.
Dude that bitch was so boring I did The Smithy to liven up the sex.

Mate smell my finger......... I totally Smithy'd your sister last night.
by Rawson Rhymes October 27, 2011
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