A Mexican backhand is when you are having deep, hard fingering and he takes his whole hand and shoves it up your vagina! Then he slaps his hand around inside of you as if he is high-fiving your vagina lips and more! Feel free to investigate inside of her:D
Guy: Hey sexy whore, I heard about this new sex move called the Mexican Backhand. You wanna' try it out at my place?
Girl:HELL YEAH! Doesn't that mean you get to slap around in my vagina?! LET'S DO IT!!!
Girl:HELL YEAH! Doesn't that mean you get to slap around in my vagina?! LET'S DO IT!!!
by Sexual_Llama:D February 19, 2011
by bird_man11 April 16, 2006