Top definition
The person who responds dryly, often with an element of sarcasm or causticism underlying, to any given situation.
Ryan said to me after I asked him about his day: "I find that this day defines itself within a longer definition of "day". I'll let you know how I am when the "day" is done." I thought that this was a typical acerbic response from Ryan.
by lilulylo April 05, 2013
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A word that pretentious cunts say to try to look smart when they are pissed. Normal people just use the word sarcastic.
The mean man is being acerbic towards me.
by Blinky2310 April 13, 2016
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