sheboygan whistle

Passing a fart through a silly straw into a friend's mouth and then said friend whistles the fart out.

Farting into another's mouth via a silly straw and that person then whistles the fart out.

When you whistle out a fart that has been extinguished into a silly straw.

"Man your breath stinks, you must have just done a Sheboygan whistle."

"I had fun last night doing all those Sheboygan whistles."

"So I took her home last night and we gave each other Sheboygan whistles. Want to try one?"

"I was late because I was busy Sheboygan whistling with your mom."

"Your mom and I Sheboygan whistled 7 times last night."