buggy

Etymology 1

Origin unknown.

noun

1. A small horse-drawn cart.
2. A small motor vehicle, such as a dune buggy.
   I casually let this information drop as our concierge drives us through the resort in a buggy, a frangipani flower tucked behind his ear. He promises to fix the bug problem and drops us off at the lobby. 2022-11-26, Virginia Feito, “Sweating Through a Honeymoon in Paradise”, in The New York Times
3. A hearse.
   1920's arr: Jimmie Rogers Frankie and Johnnie Bring out the rubber tired buggy/Bring out the rubber tired hack/I'm takin' my Johnny to the graveyard/But I ain't gonna bring him back
4. (UK, Western Pennsylvania) A pushchair; a stroller.
   The wider station upgrade has provided lifts to the Piccadilly and Victoria lines, as well as Network Rail platforms, to make it easier for passengers with mobility needs, buggies or heavy luggage to use London Underground. January 2 2020, “New entrance at Finsbury Park”, in Rail, page 12
5. (Canada, Southern US, Western Pennsylvania) A shopping cart or trolley.

Etymology 2

bug + -y

adj

1. Infested with insects.
2. (computing) Containing programming errors.
   This software is so buggy that I don't know how anyone can use it!
3. Resembling an insect.
4. (slang) Crazy; bughouse.
   You have to help me get out of here. They want to keep me longer, but I can't stay. This place is driving me buggy. 2011, Beverley Armstrong-Rodman, Nightmare in the Everglades, page 106