bank v. to gang up on (someone); to ambush. (source: Double-Tongued Dictionary)
Further reading
Advice about college essays from the winner of a top prize for children’s literature: Kelly Barnhill encourages teens to write about experiences that are uniquely their own, from a point of view that is theirs and no one else’s. Plus, why do we say...
A new book about how animals perceive their environment reveals immense worlds beyond our own. A bee can see ultraviolet light, catfish have taste buds all over their bodies, and manatees use highly sensitive lips to examine nearby objects. Also...