A slippery heel is when you get up the urge to jack off in the morning(this isn't an easy task)first you blow a load in your tube sock then wear it on your foot the rest of the day.
Scott: dude, you need to buy some more socks, they're filthy.
Todd: No don't worry, I was just horny this morning, and now I got a slippery heel goin.
Tar Heels were militia men from North Carolina who never ran from battle and always stood their ground, as if they had tar on their heels, so they were given the name Tar Heels. The Tar Heel is also the mascot of the University of North Carolina, which is a great school.
The Tar Heels fought bravely in the battle.
The Tar Heels won the national championship in basketball.