Stands for Small Aggressive Gimp Syndrome.
Characteristics include shouting, twitching, and being overly aggressive towards others, while maintaining a lower than average height.
Can also result in increased ego and delusions of being attractive.
X: Hey Ollie, you're ugly
Ollie: NO I'M NOT!!! I'M THE BUFFEST GUY IN THE YEAR!!! I'M GONNA KILL YOU!!!!
X: Oh and also, you have split ends
Ollie: ARGH!!! NO I DON'T!!!