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sus bestie

A sus bestie is someone who holds the best-friend title but whose motives or loyalty have started to feel questionable — they ask too many questions about things that aren't their business, they seem weirdly invested in your drama, or information you told them in confidence has a habit of getting out.

ˈsʌs ˈbɛsti44 viewsLast reviewed Jun 13, 2026+ Add a definition
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#1·May 2, 2026Globalcasual

A sus bestie is someone who holds the best-friend title but whose motives or loyalty have started to feel questionable — they ask too many questions about things that aren't their business, they seem weirdly invested in your drama, or information you told them in confidence has a habit of getting out. The sus bestie might not be malicious but something about the friendship pattern doesn't add up. You haven't caught them doing anything outright wrong, but you've noticed yourself editing what you share and wondering how much they're actually in your corner.

She's a sus bestie — always the first to know things she shouldn't and never explains how.
Source: Slangora editorial
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