To call out and pull the plug on someone who is killing the moment or situation, or is making a situation very awkward.
Also to shut down the C in an A and B conversation.
Actual example (video found on IG: @comedy_camp):

*Scrolling through your Facebook a coming across a video of a guy sensually making out with a piece of fruit*

Me: "Who mans is this? Get him the fuck outta here!"
by jontaylors#1fan! April 16, 2015
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A hot guy that you are jealous of and want but that fat bitch etha took him before you could smash.
*Walks down hallway and sees johnny* WHO MANS IS THIS??
by JayJayboo February 16, 2017
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Why did he name his twittter who mans is this?
by casmeoutsidehowaboutiwanttokms February 16, 2017
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A phrase that refers to someone who is a buzzkill, ruining the moment, or pissing you off.
Person 1: Can I see the hw real quick?
Person 2: No, thats cheating
Person 1: Bruh whos mans is this
by shiv1622 January 22, 2017
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Who's friend is that? Most black finessing savages people use this
"Aye whos mans is this?" "Is this your mans?" "Nah that's not my mans" "Oh aight"
by Suedepickle March 11, 2016
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who mans- A person belonging to someone else
Irene- who mans is Grayson?
Matilda- I think he's Cappy's mans
by cappyfrost November 13, 2016
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who's mans is a bullshit phrase used by angsty teens when upset at random situations
*John spills milk all over Sarah's phone*
Sarah: "WHO'S MANS!??"
by EASYBAKEITUP December 4, 2016
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