carry-on (UK)—(coll., also: carrying-on) annoying unwise or overexcited behavior:
- We were all engaged for a radio version of Hamlet…. I had never realized the incredible carryon connected with these productions.
carry-on (U.S.)—(also: carry-on baggage) luggage that can be carried aboard an aircraft, bus, or train:
- I always take some cigars in my carry-on and pack some others in checked luggage.