go full-Clare
to become belligerent and irritable in the face of petty authoritarianism, pedantic administration and officious gatekeeping
Security: "I'm afraid you're not allowed to remove your alcoholic beverage in a plastic tumbler from the venue"
Event attendee: "oh shut up you silly little person"
Security: "Assistance required - this one's about to go full-Clare!"
Event attendee: "oh shut up you silly little person"
Security: "Assistance required - this one's about to go full-Clare!"