to go into.

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.

In a sexual context, to penetrate the vaginal walls/ ass (if that's your preference)

A descriptive term for sex

the button you just pushed on the keyboard to get to this definition

The button you spam to wake up your computer

To engage in Enter Sandman.