1 definition by Cintradown

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.
by Cintradown October 2, 2021
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