I may be wrong {Alex}, correct me if I am, and (pause) <x>
[SCTV; Night School High Q; Joe Flaherty (October 23, 1981); <x> = “I’ll eat a bug,” “you can tie me down and step on my head”]
Used when you’re definitely wrong.
See also:
Abba?
Is it Zamfir, master of the pan flute?
Disconnect his buzzer!
Why don’t you disconnect your own buzzer!
– Jeff Stendec (May 15, 1989)