What's poppin and lockin? is a saying for when you want to know what your friend is up to?
A : Hey, "what's poppin and lockin?" tonight?

B: Nothing much, "what's popping and locking?"...with you?
by Theodore Ovaltine September 9, 2009
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It typically means "what's up" or "how are you doing" or "how's your day?
Friend: Hi Steph, What's poppin, what's Gucci?

Stephanie: Hey!!! Nothing much wbu?
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An elaboration on the popular "whats poppin." Generally directed toward someone of at least mild physical attraction. Mainly added so Nick could go “See I DID come up with that shit!”
Whats poppin show stoppin!
by Prof. Nick J. June 1, 2011
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Street Slang Meanin' What's Goin' On?, What's Up?, What's Happenin'?, What's Hanninan?, How Are You Doin'?, How Yew Doin'?, How Are You?, How Yew?, How Are You Feelin'?, How Yew Feelin'?, What's Trendin'?, What's New With You?, What's New With Yew?, What's New Witchu? & What's New Witcha?
"Yo Cam'Ron!! What's Poppin'? Nuffin. Erstreet At Ever Soo Much At Ever Str8 Thuggin', Ever Str8 Stuntin' & Ever Livin' Life Fully." - Erstreet Harlem aka Harlem, Flea, Kiery Weiry & Freshley.
by Hzr February 24, 2022
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Brand new whip, just hopped in.
I got options, I could pass that bitch like Stockton.
Just joshin', ima spend this holiday locked in.
My body got rid of them toxins, SportsCenter Top 10.
by Flatblok71 February 1, 2021
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created by ItsLuxCity (Chri$tian Gate$) after the rapper YBN had mentioned/said it to Jack Harlow
by That tall chick September 1, 2020
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A more "hip" way of saying "Hello fellow kids."
You: Hey Bobby
Bobby: What do you want you punk.
You: What's Poppin'
Bobby: Shut up
by Zharias October 8, 2019
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