To let one's friends know, often through re-tweeting on Twitter, that you have had an exchange with a famous person.
OMG! @LizaMinnelli loves me! RT @LizaMinnelli: @PatheticJackass Please don't send me another picture of your junk. I forwarded the one you sent to the police.
@Truthteller: Hey, @PatheticJackass, stop celebragging.
@Truthteller: Hey, @PatheticJackass, stop celebragging.
by Coco_pdx May 14, 2011
Get the Celebragmug. by butter's bottom bitch April 25, 2010
Get the celebragemug. by celebrage.com June 10, 2010
Get the Celebragemug. by berkden May 2, 2013
Get the Celebragemug.