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When someone says “sex” when they meant to say “Success” or vice versa. Originating from Popular YouTuber JackSucksAtLife who made this mistake in the now infamous “Poor Jack” moment
Interviewer Laura Rutledge had a JM Welsh Gaff this week when she asked Coach Saban how he dealt with “all the sex he been having lately,” when she meant to ask about his success late in the season.
by 010Rusty December 10, 2025
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Another slang word for a man's penis.
The drunk guy showed his one eyed wiggling Welshman to the crowd.
by BlueJockeys April 16, 2016
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Might as Welsh

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If you have fun/regret doing the action about to take place
Do you want another drink?

Might as Welsh!
by dukedaw1993 September 13, 2018
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80 minute Welshman

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A Welsh person who claims pride over their country, often using sports events such as rugby or football to convey it, but then regressing to an Anglo-British view of Wales. This regression might be seen in their political, cultural or philosophical view of Wales. They will often have a more regional view of Wales within the UK, referring to it as "too small" or "too poor".

The 80 minutes refers to the length of a rugby match, often touted as the most "patriotic" sport in Wales, and that often support for their country ends shortly after the final whistle, essentially making their perceived Welshness irrelevant.
English person: "Yeah but Alun Cairns says that Wales is too small to be independent and he's Welsh"
Welsh person: "Yeah but he's only an 80 minute Welshman! He doesn't give a damn for Wales the rest of the time!"
by Daw'r_Wawr_Eto May 8, 2020
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Violently shitting your pants in a public/tight quartered space with no regard for other’s right to breath.
Pretty sure Connor just dropped a Welsh… Holy shit my eyes are burning.
by bendover1969 November 18, 2022
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The act of repeatedly saying six seven while you put your overweight fat belly on her back and hang her doggy.
"Yeah, I used the Frankie Welsh on her last night. Never felt better!"
by emceeparkour October 20, 2025
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The act of repeatedly saying "6-7" while you put your fat belly on her back and bang her doggy.
"Yo, she's a freak! She literally asked me to hit the Frankie Welsh last night!"
by emceeparkour October 20, 2025
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