Translated into english means "Panty Penetrator" Adj, used to describe sweet strong alcoholic drinks as used by men everywhere to supplement their weak seducing skills. i.e. Baileys, Archers, Schnapps, Jaegermeister, Cointreau, any other high proof alcohol....
A: I say old Bean, Cindy is being a little cold this evening
B: No worries old fruit, I've heard that after a few shlupfer sturmers, she uses her undergarments solely to warm her ankles!