beat up on

To hit someone or be very mean and unfair to them, especially if they can't fight back.

"Two older students were caught beating up on a first-year student."

Hear it in context

Lil Dicky Freestyle on Sway In The Morning

Lil Dicky · 0:00

Turn that beat up on your headphones.

Soleil Moon Frye Tears Up Over ‘Punky Brewster’ Memories | ET Then & Now

Entertainment Tonight · 1:10

then she can beat up on them.

[Co-Stream] Call of Duty League Major III Qualifiers | Week 2 Day 2

Call of Duty · 377:01

Yeah, but they beat up on Carolina.

Canada is a Warning to the Rest of the World!

Patrick Boyle · 15:18

I don't like to beat up on someone,

Bar Rescue’s Most OUTRAGEOUS Moments 😮 SUPER COMPILATION

Bar Rescue · 60:42

You beat up on him who's running around trying

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