gob (BE - impolite?)

[Mnemon]

A princess does not chortle.
Does not stuff her gob!

Brave movie

gob1 /ɡɒb $ ɡɑːb/ noun [countable] informal
1 British English an impolite word for someone’s mouth

gob | meaning of gob in Longman Dictionary of Contemporary English | LDOCE

gob meaning, definition, what is gob: an impolite word for someone’s mouth: Learn more.

www.ldoceonline.com

Do you agree with Longman? Do you consider it impolite?

 

[teechar]

It's slang/highly informal. It needn't always be impolite.