The masculine or male form of a "Karen".
That bum that threatened to sue us because we didn't have any spare change for him was such a Kelso.
by HighKingJudd April 13, 2023
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Popular from the series “that 70s Show”. Commonly referred to males who feel inferior to other males. Full of passion for things for things they care about which lead to them being more emotional. Often found to be Bisexual and have mixed feelings around their peers. Can be great business professionals when learned to follow first then lead.
That was so Kelso.

Kelso just left the party
He is being a kelso
by ThroneKeeper October 30, 2023
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To fall off a water tower, just like Michael Kelso from That 70s Show.
Eric: Anybody want to go Kelsoing after school?

Steven: Nah bro I’m hanging out with Kitty later.
by BussellsMedia October 7, 2019
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Whenever you friend cheats on or has thoughts of cheating on his girl this word is used to put them in there place and or mock them at the same time

Joseph joestar and main example Michael kelso are 2 particular clueless cinnamon roll like people who can be taken advantage of easily when aroused or in the right sinarrio than can cause then to stray from there beloveds

Case in point whenever your clueless friend is lost in a sea of hot wamens its up to you (the one man thot patrol) to save them by stopping them or saying stop Kelsoing around so they don't disgrace their queen

In any case before or after Kelsoing is what you call out to you friend once he's has cheated or thinking of cheating on his girl with some fresh thot
Joseph: sees Mariah thotly posing

Kujo: stop Kelsoing about! Your married to Suzi Q!
Joseph: BUT SHE THICC!
Kujo: NO KELSOING MAN!

Hyde: "Laughs hysterically"
by Zombomb May 3, 2019
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