The art of ramming ones fist up the anal cavity with enough force the escaping air provides a loud whistling heard throughout the neighbourhood.
Jennifer’s arse whistled the star wars theme tune as her partners elbow disappeared into the brown abyss.
The Peruvian Whistle Fist was heard for miles around.
To inhale through a straw in an empty cup containing the remnants of a flavorful drink and it's marinated ice cubes. The irritating sound signals to your inattentive waiter/waitress that you are in dire need of getting your thirst quenched.
"where the fuck is my waiter? I guess it'stime to bust out the refill whistle."
*Refill whistles are most effective when a waiter/waitress is in auditory range*
*if you hear a refill whistle, your tip may be in jeopardy*