Mexican Stomach Churner

The act of pouring hot sauce (preferably tapatio) into a sexual partners asshole and proceeding to rail mentioned hole while screaming various mexican gritos

Friend 1: ay guey my girl asked me to give her a Mexican stomach churner last night and i've never been more horrified.

Friend 2: dude you should've done it. I sprang it on the last chick i was with and it real "spiced" up our sex life!