When some jerk wanders by whistling Rick Astley and you are left with the song in your head.

1. A pussy whistle.

2. The result of a queef.

When you cheat on your wife with your radio co-host.

Idiot, moron, one who lacks the most basic common sense to make correct decisions,see ass clown.

Hiring a prostitute to whistle 'Rivers of Babylon' up a mans anus, whilst jiggling his balls like a coin bag.

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.

A combination of "whistle" and "Dixon;" meaning to have a whistle dick, and to be a Dixon. A whistle Dixon is one who has had his crank shaft bored out by another dudes tongue, thereby making a whistle sound.