look up any word, like slope:
 
1.
its kinda like 'meh', instead its fleh. or u could use it to mean if someones just ok. or you could use it insted of hello. fleh really diz have a lot of meanings.
Like "how are u?" "fleh"
or, "he's fleh"
or "hiya!" "fleh"
by Princess Charlie of Uranus April 09, 2004