To recieve an erection. Usually admitted to a friend or loved one. As in to "pop"-a-"smurf"(wheras smurf can replace any noun)
"Dude, that chick is sooo freaking hott, one look at her makes me Poppa Smurf!"
by Chip Foster September 16, 2006
Short grey hairs located at the top of a penus.
That dick looks likes poppa smurf
by Ohhh Donny June 15, 2007