The object of a sack's desire. Cruelly teases the sacks of others until they succumb to blue balls and/or vasocongestion.
I'm tellin ya brah, Bolinda keeps repairing bikes in the nude whenever I'm around, and then gets all offended when I hit on her...what a fehkin sacktease.
Most commonly in videogames, a skatea is a douchey screen name. It's acceptable to agree to substitute such a moniker out for the word skatea when referring to it in an unappreciative tone.
Some examples of skateas: xXxhell_slayerxXx, Th3bLaCkNiGhT, studmuffin