sextronaut 

Defines someone who hooks up with their ex, but still needs their space.

My roommate Joey is always bringing his ex over to hook up with, but then they don't talk for days at a time, what a sextronaut.

sextronaut by uh_lizard January 24, 2017

Sextronaut 

Someone who attempts to have as many unique sexual experiences as possible

Joe's such a pervert he will has sex with anything
No he's just a sextronaut

Sextronaut by SuperMasterGod February 14, 2021

Dextronaut 

Slang term for serious users of DXM, or Dextromethorphan - a dissociative drug. Dextronauts are those who go above and beyond trip dosages or prolong them for periods of time in order to have intrinsic, ethereal experiences. They are well versed in the toxicology of the substances ingested and also clearly understand any possible side effects and outcomes.

David soon begin experimenting with higher doses, discovering ego death and adopting shamanistic beliefs to further his purpose. He had become a dextronaut.

Dextronaut by R0r January 28, 2010

Sexonaut 

A person who explores the outer limits of sex.

Did you hear about what Justin did with that girl last night? Yea, he's a real sexonaut.

Sexonaut by sexonaut April 8, 2009

sastronaut 

Someone who is sassy in space.

Dude, that guy is going to grow up to be a sastronaut.

sastronaut by Sastronautman April 21, 2010

Dextronautomega 

AUTISM

Yall see that dextronautomega there.
Yeah i do hes so autistic.

Dextronautomega by Csigu February 28, 2019