proud
affected
arrogant
assuming
brash
conceited
forward
high and mighty
highfalutin
hoity-toity
overweening
presuming
pushful
pushing
putting on airs
self-asserting
self-assertive
self-important
snobbish
snooty
snotty
stuck-up
uppity
cannie
contumelious
corn-fed
dogmatical
don't-care
go-anywhere
high-stepping
ill-satisfied
intransigent
laal
over-sized
overprotective
plaguey
snake-shaped
sniffy
supersensitive
throuble
untreatable
upper-cut
wj