1 definition by K4n05
A gumboot is a term used by youth to describe an act involving sexual intercourse with another person... or animal. Very popular amongst the youth of inner and western Melbourne, Australia.
"Dude I met this chick at next went to hers got a wicked gumboot"
"you know dave? I gumbooted his girlfriend bad man"
"dude i gumbooted your dog"
"you know dave? I gumbooted his girlfriend bad man"
"dude i gumbooted your dog"
by K4n05 April 2, 2008