A culmination of multiple skills from a large mysterious set as dubbed the 'Janboe'. The 'Mcflurry' part only ensues once a janboe mcflurry is able to complete whatever mission he or she was assigned to, via video-games, workplace, et cetera, one proceeds to indulge themselves to a McDonalds mcflurry, or any other delicious diary treat.
1: That guy completed his work within hours? Seriously?
2: Yeah, the manager dubbed him a janboe mcflurry
1: That explains the mcflurry
'Jamboy's' were young coloured boys who were smeared with jam to attract all the bugs and insects away from the rich golfers. If they were successful, they got to keep the pot jam!
And for trivia, it is still possible to hire a jamboy in some countries!
Historic word for ethnic people, who were employed by rich white folk. They would follow around their masters with jam smothered on their faces in order to keep the flies off them while they played golf in hot countries