When you're in an awkward situation and don't know what to say.
Anyssa: "Yo, why'd you show up to my wedding wearing white?"
Nicole: "Uh, ermaderm."
Bruh moment but make it awkward.
Nicole: "Anyssa.... we're the only juniors at this sophomore kickback!"
Anyssa: "Erm *awkward pause* awkward bruh moment."