A process in which someone (usually a n00b is completely dominated by another person. This is usually performed through the act of beating them in a rock-off, covering their myspace page with pictures depicted the act of De-Gillzing or simply humiliating them with witty verbal abuse.
you've been DE-GILLZED!!!
cuz i pwn n00b rite leik omg stfu i haxx0rz her up teh 455......:P