by The freakozoid June 10, 2009
An abbreviation for the endoplasmic reticulum. May be heard among success-driven high school students studying for the AP Biology exam.
It's also an acronym for emergency room.
It's also an acronym for emergency room.
The ER can be a televized show or an essential part of life; either way both are used as the acronym.
by C. Darwin July 27, 2006
by internet.rubbish February 20, 2017
I wish I was ER
by Dggjjfcdsa15(?&@7dgjh£>•><%~,* October 1, 2012
by Leroy Larger February 7, 2005
used for texting/online chat "er" is an abbreviation for "eyeroll"; when someone does or says something that makes you roll your eyes you "er" at them; it can also be used in place of the term "oh, whatever"
by SwtPnkKty November 27, 2011