Balls that smell like Fastfood (i.e. Fries, Hamburger, or Milkshake). To verify the smell of your own McBalls, you can simply leave your hand on them for a while, and place your hand to your, or someone elses nose. However, best results may be achieved by directly smelling McBalls.
The folk hero of ledgend who, in any given situation, takes the route of action that requires the most balls. Usually referred to in romantic situations in which one guy is trying to convince another to "take the ballsy road" so as to help him win over a girl and/or avoid being a total pussy.
Dude A: I can't do that man, It's too risky...
Dude B: Come on man! What would Ballsy McBallsington do!?
1. The correct McDonalds term for the male reproductive organs, (sausage) being the penis and (mcballsack) being the testicles. The mcbalsack, when placed into the mouth, will consequently eject a sticky syrupy substance commonly equated with mansauce or cum.
2. A slang term for the sausage mcgriddle to further express the digustingness of its taste, texture, and stickyness when place in the mouth.
1. Drive thru orderer: "I'll have two sausage mcballsacks with extra mansauce, please."
Drive thru worker: "Do you mean two sausage mcgriddles with extra syrup?"
Drive thru orderer: "Gimme my mcfood before I chop off your mcballsack."
2. After having that delectable hot sandy from Tyler's mom last night, the sausage mcballsack tasted like the inside of David Hasselhoff's skin tight speedo.
Being drunk to the point of being blacked out. Busting girls heads open, fukin around with off bitchesu never would sober, can't see or walk straight but you keep drinnking anyway...McBalls!