1 definition by LayinYaMama

Aussie Slang term describing somebody who thinks much higher of themselves than others do and makes sure to let everyone else know why he believes he is superior.
That JohnnyQuinella guy thinks he is gods gift to everyone, he is so up himself. I think everyone is tired of him talking himself up so much
by LayinYaMama March 3, 2016
Get the up himself mug.