Kissing his own ass

The act of boasting about one's attributes or accomplishments, usually before a sizable audience. Self aggrandization of the highest order. Usually carried out in the absence of underlings who would normally carry out such a task for the self ass-kisser.

"Professor Smith spent half the lecture talking about his double doctorate and the 39 papers he wrote."

"Yeah, he was really kissing his own ass eh?"

Kisses His Own Ass

When a man thinks he is more important then he is and brags over and over about his accomplishments, but no one will kiss his ass so he must kiss his own.

Tom is a great guy and he will be the first one to tell you - after he kisses his own ass.