the best little brother ever.only 9 but super sweet and funny.he would never say anything to hurt anyone and always protects his little sister lila when our parents argue.he wants to become a police officer to protect even more people.sweetest kid ever
by daphne777777 September 21, 2022

by thatonepersonbehindthemask July 10, 2021

when someone, typically of the name robert, rob, or robby, have the qualities of a large, monster cock, that is throbbing in excitement.
by SeanNoMoney20 December 28, 2024

Behavior that 99% of people on TikTok think is super sus. For example, chilling on a couch with like three girls and then barely getting up when your long distance girlfriend shows up to surprise you.
Mackenzie: Do you think he’s cheating on her?
Paige: I don’t know for sure, but there’s definitely a Robbie Behavior vibe going on there.
Paige: I don’t know for sure, but there’s definitely a Robbie Behavior vibe going on there.
by Cintradown October 2, 2021

A legendary and elusive potion with no current means of production, the effects it has on Robbie(y) is horrifying and un-describable. The effects on one not worthy is currently unknown but assumed to be lethal and excruciating.
by Bile Titan March 26, 2024
