straight-up
adjective (1)Definition of straight-up
(Entry 1 of 2)
1
: erect, upright, perpendicular
lilies nodding from tall straight-up stalks
2
: timed exactly : being or ending at precisely the time stated or desired
straight-up noon
straight up
adjective (2)Definition of straight up (Entry 2 of 2)
1
: served without ice : not on the rocks
specifically
: mixed with ice before being strained
a martini straight up
2
: honest, straightforward