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

Mastodong

Originally derived from the word Mastodon, this term describes an enormous penis.

Bob: Fuck man it was a total slayfest last night
Me: Shit Bobs got that Mastodong!

by Mr m December 18, 2013

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

mastodonic

Adjective used to describe a huge, gigantic penis. Named after the mastodons, an extint species of elephants.

Synonym: elephant cock

I'm going to rape you with my mastodonic 300-mile long cock.

by Roth Vantage January 5, 2015

Mastodonian

Mastodonian should be used as an adjective to describe something that has characteristics of a mastodon. Typical use is to is describe either girth or general snufaluphagus-ness.

Whoa!! I'm absolutely stuffed. That slice of pizza was mastodonian.

by kvegas108 September 15, 2010

Mastodonian

A Mastodonian is a person that is a user of the decentralized social protocol, Mastodon

yo, I’m a Mastodonian

by XsavierLOL June 16, 2025