What is Upside?
1.
Preposition. Depending on context, can mean "in," "directly above," "on," etc.
Leroy, you best stop frontin' 'fo I bust a cap upside yo ass!
We was done shook down for crack, an' they had The Man all upside dis joint!
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2.
1) preposition: meaning "against" or "up against"
2) noun: a possitive thing
1) You don't quite, Imma bus' you upside yo head, foo'
1) He threw him upside the truck. (up against the truck)
2) Well at least the upside is that we get paid for it.
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3.
the term used for the inside of someone's arse crack.
(kid1) i inserted my head upside your mum.
(kid2) well im gunna put my foot upside you
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4.
means a good thing or something positive.
the only upside is during that period when things are peachy keen between a couple and both are willing to come early and stay late.