look up any word, like spook:
Supposedly, a microagression is when you do something offensive in a small innocuous way. In practice it's what happens whenever a white/straight/male does anything, ever. So basically, it's an excuse for liberals to be angry for no reason.
"Oh my God! You used a Spanish word! That's an appropriative microagression against Hispanic people!"
by Eudoxus November 15, 2013