- abandon
- bar
- boutade
- brainstorm
- bug
- burn
- capriccio
- caprice
- chafe
- chic
- conceit
- crank
- craze
- crazy fancy
- crazy idea
- crotchet
- cry
- delirium
- deviative
- disfigurement
- ecstasy
- enthusiasm
- fad
- faddiness
- faddishness
- faddism
- faddist
- fancy
- fantastic notion
- fantasy
- fascination
- fashion
- fever
- fire and fury
- flimflam
- fool notion
- freak
- freakish
- freakish inspiration
- frenzy
- fret
- furor
- furore
- fury
- harebrained idea
- humor
- hysteria
- infatuation
- intoxication
- kink
- last word
- mad
- madness
- maggot
- mania
- manic-depressive psychosis
- maul
- megrim
- notion
- novelty
- orgasm
- orgy
- passing fancy
- passion
- quirk
- rage
- rapture
- ravishment
- savage
- striping
- style
- tear
- tearing passion
- towering rage
- toy
- transport
- twist
- vagary
- vogue
- whim
- whimsy
- whim-wham
- wrinkle