istmb

Short for “I swear to my bro”

A phrase used to emphasize that you are telling the absolute truth.

synonyms: onb, I swear on my mum's life, etc.

E.G:

Leah: Did u hear that Jayden and Kiara got back together?
Emily: Tell me you're joking bro

Leah: Istmb I'm not

by totallynotchefk October 28, 2024