Idioms based on character and appearance

two-faced

someone who will say one thing to your face and another when you are not there

high and mighty

behaving in a pompous or arrogant manner

a cry-baby

very emotional, cries too easily

skinny as a rake

very thin

as cold as ice

a person who shows no emotion

as mad as a hatter

someone who behaves strangely/ crazy

(In the past hatters went insane as a result of their contact with mercury which was used in hat-making)

bare-faced liar

someone who lies and displays no shame about it even if exposed

bark worse than their bite

someone who gets very vocal when angry but generally does not act upon it

daft as a brush

rather silly or stupid (can be a term of endearment)

plain Jane

not particularly attractive/ ordinary

bold as brass

very confident and unconcerned about how people respond to them

pleased as punch

very satisfied about something

a yes-man

someone who always agrees with people in authority

bald as a coot

completely bald

(a coot is a small fresh-water bird with black plumage but a bald head)