beat_up
1. [ verb ] give a beating to; subject to a beating, either as a punishment or as an act of aggression
Synonyms: beat work_over
Examples:

"Thugs beat him up when he walked down the street late at night" "The teacher used to beat the students"

Related terms: flog thrash knock_cold clobber cane pistol-whip belabour rough_up soak strong-arm spank beating hit
2. [ verb ] gather
Synonyms: rally drum_up
Examples:

"drum up support"

Related terms: accumulate
Similar spelling:   beat-up
  beta_wave