A sex move that can only be done by flailing your arms around like one of those inflatable wacky guys at your local Oil Change shop.
It is also a Family Guy Cutaway Gag in the style of the Billy Mays' Oxy-Clean commercials, with the name Al Harrington's Wacky Waving Inflatable Arm-Flailing Tube Man Emporium and Warehouse.
Zach: Dude, I gave my girlfriend a Wacky Waving Inflatable Arm-Flailing Tube Man last night.
Mike: Cool.
An elderly couple who have finished having intercourse with each other, lying in bed while spooning.
Jack: Dude, I just caught my grandparents being Rusty Spoons.
Terrance: Damn.
The mischievous, notorious arch nemesis of Sportacus in Lazy Town, played by Stèfan Karl Stefánsson. Famous for the hit single "We Are Number One".
It is also used as a name for someone very mentally ill to the point where they act like they are a supervillain, and steal things from others on purpose for attention.
Mike: Dude, Josh became a Robbie Rotten.
Rich: Yikes.