do a runner idiom UK informal
（为逃避困境或付款而）开溜，逃离，逃跑
to leave a place in order to avoid a difficult or unpleasant situation or to avoid paying for something
Her dad did a runner soon after she was born. 她出生之后不久，父亲就弃她而去。
They were arrested after doing a runner from an expensive restaurant. 从一家昂贵的餐馆逃单之后不久，他们就被逮捕了。