Verb
gang up on (third-person singular simple present gangs up on, present participle ganging up on, simple past and past participle ganged up on)
(transitive, idiomatic) To join together in a group in order to overpower someone else.
Voters tell politicians what they want through the ballot box. Constantly second-guessing them by speculating whether the parties should gang up on each other misses the point. Nick Clegg
At home it's all Batman and Star Wars and they do gang up on me. Sometimes I don't want to dress up as Darth Vader or play train sets, so I'll go out for a drink with the girls. Sadie Frost
As the Dem side thins out most of that money is going to gang up on Donnie Bag-o-Donuts. Source: Internet
Cowards who have to gang up on one person. Source: Internet
“It is a gang up on people’s right. Source: Internet