Short for guacamole. Currency. Money. Cash. Referring to the green ink used on most U.S. currency bills.
by RentMan January 28, 2009

When someone is constantly nagging or yelling at you non-stop over the most little things and least worried and mattered problems in the world, yet they would constantly make a big deal out of it by nagging and yelling the living daylights out of you.
My mom is going to GUACK the hell out of me because I miss a millimeter spot on a plate when I was doing the dishes.
My wife kept guacking at me because I was half a second late home for dinner.
My wife kept guacking at me because I was half a second late home for dinner.
by Yang Out w/ my Wang Out March 17, 2008

by BigKali k July 23, 2010

by guack March 17, 2008
