Buh-scuse me
The intensified version of "excuse me". See also, "mc'scuse me".
McDonald's employee: Is this for here or to go?
Fat Lady: Buh-scuse me?! You think I can eat all this by my-
McDonald's employee: BITCH I DON'T KNOW YOUR LIFE!
Fat Lady: Buh-scuse me?! You think I can eat all this by my-
McDonald's employee: BITCH I DON'T KNOW YOUR LIFE!