Top definition
An attempted conjugation of the verb Dull. Known to be used by television producers, in particular those who write scripts for commercials advertising spanish football, in an attempt to keep their audience on it's toes.
Real Madrid isn't ashamed to show off it's talent, will Sevilla dullify their rival's shine?
by the audio sniper March 04, 2010
Get the mug
Get a Dullify mug for your Aunt Yasemin.