verb - to say something or do something odd or weird or otherwise airheaded- named after Lisa Kudrow's character, Phoebe on "Friends"
Oh man! You just pulled a pheebs when you fell up the stairs!
de Bubbe 1 septembre 2005
A word used to describe someone who is lacking in common sence
oh my god, your such a 'Pheeb'
de Bertie Botts 14 janvier 2008