Definitions by Mountainsmasher

Lithuanian Mountain Pie Smash 

The act of vomiting onto a sexual partner's penis and then promptly mounting and riding it.

Joe: Dude, that blind date you set me up with was kinky.
James: How?
Joe: She gave me a Lithuanian mountain pie smash on her own.

Lithuanian Mountain Pie Smash by Mountainsmasher June 16, 2011