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 5, 2013
 Get the acerbicmug.
Get the acerbicmug. A word that pretentious cunts say to try to look smart when they are pissed. Normal people just use the word sarcastic.
by Blinky2310 April 13, 2016
 Get the acerbicmug.
Get the acerbicmug.