pwn UK /pəʊn/US /poʊn/noun 2verb 1forms 7 noun2 •(Internet) Triumph, victory. Often exclaimed after an opponent in a video game is defeated. •(Internet) An exploit in computer security, especially relating to machine code. verb1 •(Internet, old-fashioned) To own, to defeat or dominate (someone or something, especially a game or someone playing a game).I pwned them in game! formspwnd · pwned · pwnt · pwning · pwns · PWNe · PWNs