Wiktionary
glad-hander
n. One who glad-hands.
Usage examples of "glad-hander".
He was the Boosters' official backslapper and glad-hander, greeting members at every meeting.
Sycophants, stooges, glad-handers, pissanters and general rimbamboos would drop by the Mickster's side, to be rewarded with jokes, a backslap, a handout.