Russian Wistle

Having a couple (Heterosexual) preform The Russian Wistle, requires the male to stick his dick inside of the girls mouth without having the testicles in her mouth. Then the girl has to tickle the guys balls until he farts. Then the female blows on his dick as hard ass possible.

Guy 1: Bro if you want to rock her world give her the Russian Wistle
Guy 2: Idk man i don’t think we that close.

Guy 1: it’s the first step in finding out if she’s into that freaky stuff or not.