unconcerned
careless
heedless
indifferent
Whiteman
baby-doll
bully-boy
cocksure
dismissive
ear-to-ear
gap-toothed
hand grenade
little-boy
offhanded
peach-blossom
puckish
rent-controlled
sailor-like
schlocky
self-deprecating
unflickering
white-toothed