slippery zipper

1: an unfaithful man (boyfriend/husband) i.e.- My husband is a slippery zipper.

2: to be sexually active (multiple partners) i.e.- that man whore has a slippery zipper.

1: When my husband drinks, he becomes one slippery zipper.

2: " I do not like that club. There are too many slippery zippers there.