An "informal" version of the word ganked; to get destroyed when you have the least bit of an advantage, often due to being over powered by a squad of assholes; frequently used by people who play too much Dark Souls and are fucking annoying
"YAAAAAAA JUST MADE YOU MY BITCH, YOU'RE ASS JUST GOT GONKED by all 3 of us! YOU SUCK n0o0o0b and stand NO chance! Can't wait to put this on youtube!!!!!"