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2. upper
A greeting, usually reserved for close friends and often preceded by "what." Can be expressed as a question or a declarative statement.
What upper?
Nothing, man. Upper.
1. upper
Stimulating pill or drug, e.g. speed or meth; see whites
We kept popping uppers as we drove across Texas that night
by cornholio Oct 16, 2003 add a video
3. upper
the opposite of downer. a person who can lighten the mood and make you feel better without even trying. a person who you feel came into your life just to make you feel happier about everything.
'who is that guy'

'his name is rhys, he such an upper, he makes me smile all the time'
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