mastodondong

You are hung like a dinosaur with big rock hard balls.

your sac is so huge that each nut is the size of your head.

by Davitz' Odakuhnitz' April 26, 2003

Mastodoning

When a man another man with a strap on dildo while masturbating both his and his partners penis.

Yo Billy was mastodoning me last night and the whole bottom half of my body is numb.

by Mastodonmaster May 11, 2017