frothy (adj.)

• airy
• asinine
• barmy
• brave
• braw
• bubbly
• catchpenny
• chichi
• daring
• dashing
• downy
• dressy
• empty
• ethereal
• exhibitionistic
• fatuous
• featherbrained
• feathery
• flashy
• flighty
• flimsy
• fluffy
• foamy
• foolish
• frilly
• frivolous
• futile
• gallant
• gay
• glittering
• heady
• idle
• inane
• jaunty
• jazzy
• lathery
• light
• nugatory
• otiose
• rakish
• shallow
• showy
• silly
• slender
• slight
• snazzy
• soapy
• splashy
• sporty
• spumy
• sudsy
• superficial
• trifling
• trite
• trivial
• vacuous
• vain
• vapid
• volatile
• weightless
• windy
• yeasty