tear loose (from someone or something)
in. to manage to break away from someone or something.The quarterback tore loose and took twenty yards for a first down.Barlowe tore loose from Rocko and made for the door.
weasel out of something
in. to get out of doing something; to wiggle out of a responsibility.I know how to weasel out of something like that. You get a headache.You can't just weasel out now when we need you!
wiggle out of something
in. to successfully avoid doing something.We wiggled out of the appointment.Don't try to wiggle out of it. I saw you with her.