Steve Stifler's nickname in the movieAmerican Pie. From the deutsch word 'meister' meaning master, 'Stifmeister' actually means 'Stif the master'.
Stifler: Oh, yeah. The Stifmeister's coming back to Grand Harbor. Deck the halls. Bye-bye, Great Falls. Wipe my ass and lick my balls. It's Stifler time, baby. Whoo-hoo-hoo. Whoo-hoo-hoo.
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AJ: Did you just refer to yourself as the Stifmeister? Coz that's, like, the lamest name ever.
A man who claims to spread his seed far and wide without regard to the intended recipient.
He said that he had slept with some many women, but could not remember a single one of them - I knew that I was in the presence of a true spunkmeister.
Pajama casual is a term used when working from home and preparing for a video conference. All business above the waist and your pajama pants down below.