Tenderizing

[Mary Mallozziberg]

present participle of tenderize

[Vania]

to make meat easy to cut or chew (= crush with the teeth) by beating it or preparing it in a particular way

[Mark Zuckerberg]

The act of [pounding] on a persons anus with your fist so as to [loosen] the anus, thus allowing penetation with a penis and or finger. Do not try this with a vagina, mouth, eye, or ear as you may find both your partner and yourself in [a shitload of] pain.