When you do a weighty poo then look back into the bowl of the toilet to find that it has magically disappeared. This is in fact a product of fluid dynamics and physics, with the momentum of the poo as it hits the surface of the lavatory providing sufficient exit velocity to skip over the u-bend and out of the bowl.

A phrase to describe someone who is cognitively degenerating. Synonym of "going off the deep end". Can have varying degrees of severity.

Reference to the song "Hey You" by Pink Floyd. The line "and the worms ate into his brain" makes no sense in an otherwise linear and literal narration throughout the lyrics.

a sexual position in which the male is ridding the female near the stairs and proceeds to knock her arms out from under her and ride her down the stairs

Another word for condom.

A sled. Not a knit hat!

At the top of a flight of stairs, as you’re doggy-styling a chick, give her a modified donkey punch between her shoulders. As her arms fly into the air, grab her wrists and thrust… You should be able to ride her down the stairs like a toboggan.

n.
1. A knit hat.
2. A sled. This definition sometimes used as a verb, e.g. 'tobogganning'.