rejuvenique 

a creepy face mask, that supposedly does what ten sit-ups would do for your body for your face

guy 1: have you heard of this product called the rejuvenique
guy 2: yeah, that mask looks very, very creepy

rejuvenique by not a crusty crab June 21, 2018

rejuvenile 

A member of the 'Boomerang Generation', or any person older than adolescence who, instead of marrying and/or raising a family, continues the pastimes and spending habits of adolescence. Mentioned in the May 15th issue of the New York Times, Movie section.

"So he's 30, lives in his mom's basement, and has a huge comic collection"

"Yep, he's a rejuvenile"

rejuvenile by Auner01 May 22, 2006