Bigmouth is a term used to describe someone who talks too much or is overly boastful. The crossword solutions for this term are BOASTER (7 letters), CROC (4 letters), pelican (7 letters), BASS (4 letters), LOUD (4 letters), BLAB (4 letters), and seabass (7 letters). BOASTER is someone who brags or boasts about themselves, while CROC is short for crocodile, a large reptile with a big mouth. Pelican is a large water bird with a large bill, while BASS is a type of fish. LOUD is an adjective meaning making a lot of noise, while BLAB is a verb meaning to talk too much. Finally, seabass is a type of fish with a large mouth.