bum-rush verb 2bum rush noun 1forms 4 verb2 •(informal) To force one's way into; to crash. •(informal) To forcibly overpower a person.It had what they call a safety space[…] He was trying to get into it, but he got bum rushed so fast that he didn't get into that. — 2026 bum rush noun1 •A storming into an establishment. formsbum-rushed · bum-rushing · bum-rushes · bum rushes