Flashy \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.

Source: Webster's Revised Unabridged Dictionary (1913)