To run full speed into somebody and body slam them into a brick wall, chain link fence, or similar immovable object.

To run up on someone usually with multiple people and proceed to assault them. This method is generally a surprise to the victim and can result in their belongings being taken and them being stomped.

To attack someone or something by wildly charging them full force with no sort of tact or skill other than one's own momentum and possibly the backs and sides of their fists as they randomly flail them out of rage, but certainly consisting of no precisely swung blows.

To run full speed into somebody and body slam them into a brick wall, chain link fence, or similar immovable object.

Bum rush actually was taken from older English jail terminology of when men gang rape a fellow prisoner. This term most likely predates by many decades most of the previous entry's.

when there's a hot concert and a bunch of people wiht no tickets just rush through the gates. Usually done by homeless bum's.

To stay up, or not sleep to gain a sense of altered reality, because you can't sleep anyway or don't have any money for grog or whatever.