Explained from DC's Legends of Tomorrow Season 4, Episode 3 when John Constantine tried to Ball-Kick his father in 1977, Ball-kick Paradox is the rule of temporal travel where you can't Kick your ancestor's balls or do anything that will directly or indirectly remove your existence from the timeline as that would mean you won't exist in the future which will then mean you never averted your birth in the first place. This in effect restrains you from doing anything that would erase yourself and will be teleported into the last place you were in before you tried to do such thing

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.