WHAT!??? Girl Takes Shot Of Vodka From A BUTTCRACK!

7/28/2015 3:01 PM PDT

Would you like some salt around that rim?

One not-so-lucky fan at the annual Gathering of The Juggalos got a BIG surprise when she volunteered for some free booze.

The fan was blindfolded on stage and then ... well ... check out the video for the rest.

Let's just say she probably needed a chaser.