look up any word, like darude - sandstorm:
 
1.
Slang, more polite way of saying god dammit.
Trying to act gangster in front of my friends, I said ger dang so my mom wouldn't yell at me for cussing.
by spikesguitar November 12, 2010
 
2.
any kind of crack filler such as caulking, goop, plaster or insulating foam.
I gerdanged the windows to keep the water from leaking in.
by Keith the carpenter August 25, 2006