1. Perfroming the dirty sanchez on your girlfriend immediately after she has finished working out.
2. Giving your girlfriend a dirty sanchez using your ball sweat following an intense workout.
I gave sean's mom a sweaty sanchez after we had a four hour sex session.
To have a sweat mustache after intense activity
douche bag 1: YO DOOOD...i just pumped iron like a motherfuckin BOSS and im so FUCKING sweaty i think i have a sweaty sanchez
Douche bag 2: AL-FUCKING-RIGHT