Top definition
it means 'something'
Come, I wanna show you summin.
by przemyslaf November 27, 2006
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Sep 6 Word of the Day
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Damn that was a steezy ass kickflip son!
by niggaliciouszor April 29, 2007
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Babe: Oh my god your making me cum!

Me: oh my god babe your summin me up!

Babe: ...
by lil Sum up November 07, 2018
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