"Bum-rush" refers to a sudden, forceful attempt to enter or overpower something or someone. Synonyms for this term can vary depending on the context of use. Aggressively trying to enter a place may be referred to as storming, barging, or forcing one's way in. To overpower or attack someone, one might say they tackled or ambushed them. In a more specific context, such as a concert or event, this term might refer to a sudden rush towards the stage or performer, which could be described as a stampede or surge. Other synonyms might include swarm, flood, or rush. Regardless of the chosen synonym, the term "bum-rush" conveys a sense of urgency and forcefulness.