fribble

\ FRIB-uhl \  , 

verb;   

1. to act in a foolish or frivolous manner ; trifle.

2. to waste foolishly (often followed by away):  He fribbled away one opportunity after another.

noun:

1. a foolish or frivolous person; trifler.

2. anything trifling or frivolous.

3. frivolousness.

adjective:

1. frivolous ,

 foolish , 

trifling.