Top definition
The act of checking your speed while snowboarding or skiing. Originating from an unknown snowboarder who became famous for checking his speed when he should really have just manned up and pointed downhill.
"I knuckled on that jump because I guertined right before takeoff."
by TommyOG January 26, 2009
Get the mug
Get a guertin mug for your dog Riley.
Noun: A sexual act through which a girl starts giving oral sex to a blindfolded male sexual partner and in the middle of the intercourse, she switches place with a gay/bi man who keeps up suckin'. Then, she removes the blindfold out of the confused guy.
Can also be used as a transitive verb.
Noun: She gave Leonard the good old Guertin.
Verb: Let's Guertin him to the max!
by Cadaverisator September 20, 2006
Get the mug
Get a Guertin mug for your Uncle GΓΌnter.