During sexual intercourse a slide whistle is inserted into the partners anus and defacated in. The whistle is then removed and played by the other partner.
Any type of low-quality, whistle tipped cigars; most notably of the Black and Mild variety. Often smoked by frat boys and teenagers in an attempt to look classy.
Person A: Dude, I'm bored and we've got no ganja.
Person B: Wanna go to Giant Eagle and pickup some shit whistles to look like douchebags?
Person A: Sure, why the hell not?
A type of muffler that is mainly found on rice burners(toyota, nissan, etc.) that lets out a low-pitched hum to make the car sound like it has some power.
Dumbass: Dude! that supra sounds awesome! I bet that thing could tear it up on the quarter mile!
Smart person: No, that's just a shit whistle. The car will probably pull about a 15 sec. 1/4 mile.