Flash"y (?), a.
1.
Dazzling for a moment; making a momentary show of brilliancy; transitorily bright.
A little flashy and transient pleasure.
Barrow.
2.
Fiery; vehement; impetuous.
A temper always flashy.
Burke.
3.
Showy; gay; gaudy; as, a flashy dress.
4.
Without taste or spirit.
Lean and flashy songs.
Milton.
© Webster 1913.