buggy

Short definition from Wiktionary

Noun

1. 1
   A small horse-drawn cart.
2. 2
   A small motor vehicle, such as a dune buggy.
3. 3
   A hearse.
4. 4
   A pushchair; a stroller.
5. 5
   A shopping cart or trolley.

Adjective

1. 1
   Infested with insects.
2. 2
   Containing programming errors.
3. 3
   Resembling an insect.
4. 4
   Crazy; bughouse.