Used when someone cannot contain their frustration or anger and suddenly expresses it. When he lost his keys again, he popped off despite trying to stay calm.
Pro Tip 2/3
Confrontational
The phrase suggests a confrontational situation where someone is reacting, often unexpectedly. Quiet by nature, it shocked everyone when she popped off at the rude customer.
Pro Tip 3/3
Informal Setting
Typically used in casual conversation, not in formal or professional settings. They were joking around when he suddenly popped off, surprising his friends.