using spare change in a cup to make the sound of a rattlesnake : typically done by a homeless person.
guy 1: "I was about to give this homeless guy some money, but then I heard a rattlesnake and ran away."
guy 2: "You idiot, that was just a detroit rattlesnake."
Telltale sign that you are pissing off your wife, girlfriend, and/or significant other. With legs crossed, the leg on top starts bouncing at an increased pace the more agitated the subject becomes (usually a lady).
Wow, your sister looks really hot in her new bikini.........oh, oh there goes that rattlesnake leg.
Rattle snaking is the art in which someone sticks their tongue in the partners asshole then the partner whose asshole is being licked farts on the others tongue making a rattle snake action with the tongue
Last night I went rattle snaking with this girl I met at the bar I could taste her fart on my tongue it tasted like ketchup and onions