when you get attacked by a group of people

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.

to randomly have a shit load of guys to run at you and beat the living fuck out of you.

to be attacked by two or more people

When your ambused By two or more people.

when you get beat up by a group of people

When multiple assailants assail a group much smaller than their own or a single person