Difference between Pass something away, Pass something off and Pass something out

pass something away —(of time) spend in a pleasant, easy way:

• He passed the evening away looking at his collection of stamps.

pass something off—

1. choose not to notice smth.; ignore smth.:

• The remark was intended as rudeness, but he passed it off with a laugh.

2. (of forged currency, checks, etc.) put into circulation or dispose of by deceit:

• What is not acceptable is to pass off false documents as genuine.

pass something out—distribute smth. such as gifts, leaflets, etc.:

• The exhibitors at the trade fair pass out free samples to stimulate interest.