(noun) Someone who is unusually old for his age . People with the name Idriss are generally known for their geographical knowledge and citing random and questionable "fun facts". Idrisses are also known for their particular hobbies such as socks ironing, playing volley ball in parking lots and finding useless formatting errors in Microsoft office docs.

When being approached by an Idriss in the wild: make sure to mention human babies, bunnies, cats or inflate gymnasium balls, in order to deflect the attack.

"Oh Yeah, he's definitely an Idriss"

(Phrasal Verb) "pulling an Idriss" : Going to the washroom at the very last minute when everybody is ready to go.

X: "Are we going for lunch?"
Y: "No, we are waiting for Ramiro, he just pulled an Idriss"

Short for ultimate bias. Typically used by fangirls and fanboys to describe their favourite celebrity amongst the many that they are fans of.

Idriss is a type of person who has sex with pillows