look up any word, like dirty sanchez:
 
2.
Famous Australian greeting. Short for "Good Day"
Gidday Mate! Tell ya what, I'm dry as a nun's nasty. I need a beer.
by Xaypock March 24, 2003
 
1.
Greeting word meaing "Good Day". Used primarily in New Zealand and Australia.
Gidday Mate! Basically meaning "Good day friend"!
by kelpatel August 29, 2006
 
3.
my last name bitch heheheeheh
joe gidday is so fucking cool/......................o and colin is rice
by JOSE March 20, 2005