To use your feet to move your car when in neutral.

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.

The style used when brakes and/or pedals are useless on a bicycle.

Using your feet to stop or move your bike.