束たばになる

expression, godan verb (-ru)

form a group; form a bunch; bunch up

Describes people or things gathering into a tight group or cluster, often with a sense of crowding together.

• 子こ供どもたちが校こう庭ていの隅すみで束たばになっている。

  The children are bunched up in a corner of the schoolyard.

• 文もん句くがあるなら束たばになってかかってこい。

  If you have complaints, come at me all together.