Popularized by Tosh.0. The act in which you randomly perform a trust fall on a unsuspecting victim. When one does this, they are to yell "TRUST FALL!" before falling. See who catches you and love the people who do!
Ron: So all you have to do is subtract the-

Craig: TRUST FALL!

*Craig falls backwards straight to the ground.

Ron: Did you just 'surprise trust fall' me?

Craig: I can never trust you again, man.
by imdown June 26, 2010
Get the Surprise Trust Fall mug.
When you perform a trust fall on a unsuspecting victim while yelling "SURPRISE TRUST FALL"
John: So how was the party man?

Dylan: Oh it was good. It was at Mikes house and we all-

John: SURPRISE TRUST FALL!
by bigiglrsdon'tcry April 10, 2010
Get the Surprise Trust Fall mug.