1 To cut into parts or pieces
2. To injure or damage by or as if by cutting; gash, slash
3. To subject to hostile criticism; censure
4. To undergo being cut up
5. To behave in a comic, boisterous, or unruly manner; clown

ETYM Latin jocari.
1. To act in a funny or teasing way; SYN. jest.
2. To tell a joke; speak humorously; SYN. jest.