terrabactyl 

ter-ra-bac-tyl (noun)

Once something or someone has exceeded the critical mass of failaments they undergo a metamorphosis, transforming them into a terrabactyl.

O shit Johnny I just kilt you dead, you a terrabactyl son.

terrabactyl by ElGatoconBotas June 8, 2010

terradactyl

gang-bang sexual position in which the female can take in up to five schlongs with her two hands, mouth, anus, and vagina by bouncing from a squatting position and waving her arms back and forth.

kimmie: wow, i sure took in a lot of cocks last night!

joshua: oh i heard you did the terradactyl! shame i wasn't there to partake!

terradactyl by j-money$$$ February 22, 2009

teradactyl 

The sexual act of performing fellatio and simultaneously jerking off two penii. This motion resembles that of a teradactyl in flight. Related to skiing, but arms are raised, and mouth is open.

I used to think that the teradactyl was extinct until Bruce, Dante, and I met up with that ho-bag Tina.

teradactyl by RagingClue December 12, 2006

Terrodactyle

To fuck a girl, then when about to jizm, arc your arms, and scream like a Terrodactyle, waving them frantically up and down, to simulate true Terrodactyle style.

Think man on fire, however controlled, and when cumming, hence the Terrodactyle.

Terrodactyle by Joeguy92 September 4, 2010

tetradactyl 

A sexual position where a female masturbates two males with her hands while the female is fellating a third male and having vaginal intercourse with a yet another male. The name comes from "four fingers" where the fingers represent penises.

Her favorite sex position is the tetradactyl...what a slut.

tetradactyl by Brimstone2006 May 1, 2006

teradactyle 

when a girl jacks two guys off at the same time. then she gives the middle guy a blow job.

damn, sabrina gave josh, camdon, and jerry a teradactyle. what a how.

teradactyle by douch bag October 16, 2007

terrydactyl

a large carnivorous reptile, a term of endearment used to express the bad-assness of an individual.

Mr. Baize is a hard-ass terrydactyl.

terrydactyl by arc angel22 October 26, 2010