When you fart while sweating severally enough to mist the sweat from your ass crack.
Wow, did Tanner just BO Shart on Seth's pillow?
When one partner spreads the other partners scrotum with both hands forming a "sail", then performs a raspberry by blowing on the scrotum with lips pursed thus creating vibrations.
Jason: If I fall asleep and start snoring, wake me up and I'll go to bed.
Travis: Yeah you'll wake up to me Sailboating you!
Jason: don't you mean.....nah nevermind.