A man dressed as a woman held up the M&T; Bank on Bay Dale Drive in Arnold about 9:15 a.m. Wednesday, Anne Arundel County police said.
The man gave a teller a note saying he had a bomb, police said. Wearing a leopard-print hat, white tennis shoes and red lipstick, he demanded money while holding an unidentified item wrapped with tape, police said.
A witness was able to give police a description of the person's vehicle, and it was found at the Annapolis Terrace Motel on Ferguson Road, police said.
No arrests have been made, and police are investigating.