uppers

n. upper teeth; set of upper dentures

n. drug which stimulates, amphetamine; part of the shoe which covers the top of the foot; exciting or uplifting experience (Slang)

Stimulants are drugs that temporarily increase alertness and awareness. They usually have increased side-effects with increased effectiveness, and the more powerful variants are therefore often prescription medicines or illegal drugs.
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Noun
1. the higher of two berths
(synonym) upper berth
(hypernym) berth, bunk, built in bed
2. piece of leather that forms the part of a shoe or boot above the sole
(hypernym) piece of leather
(part-holonym) footwear, footgear
(part-meronym) quarter
3. a central nervous system stimulant that increases energy and decreases appetite; used to treat narcolepsy and some forms of depression
(synonym) amphetamine, pep pill, speed
(hypernym) stimulant, stimulant drug
(hyponym) amphetamine sulfate, amphetamine sulphate
Adjective
1. higher in place or position; "the upper bunk"; "in the upper center of the picture"; "the upper stories"
(similar) high
2. the topmost one of two
(similar) top(a)
3. superior in rank or accomplishment; "the upper half of the class"
(similar) superior

      supper

DENTI DEL MASCELLARE SUPERIORE