twinawill 

(of a river or riverbank) having two or more layers

"the dune is roughly twinawill"

twinawill by InsaneGoose October 8, 2021

twinkzilla 

Noun: A moderately known gay pornographic model, know for partaking in the deaf community

Adjactive: A person who is petite and thin; looking more youthful than majority of the other age group. In addition, they typically have a large package hence the "zilla"

Have you heard of Twinkzilla?

My friends started calling me Twinkzilla so I knew I would fit in great at the new gay club.

twinkzilla by HelixStudios August 4, 2018

twinnillatio 

twinnillatio is the male version of twinnillingus, in which two male identical twins participate in either a circle jerk, 69, or a rusty trombone and consider it masturbation.

If I had a clone, I'd be pulling off mad twinnillatio.

twinnillatio by Jeffie-o August 15, 2005

Twintilla 

When two people spend too much time together and start to become the same person.

She's my twintilla, we open doors at the same time from opposite sides.

Twintilla by Hurricane Tortilla September 2, 2016

twinbill 

to play a double-header

They opened the twin-bill with a win.

twinbill by John Smith February 14, 2005