n. The act of making someone unconscious, or at least unable to come back on their feet within a certain period of time; a TKO.n. The deactivation of anything.n. Something wildly popular, entertaining, or funny.n. A very attractive person, especially a beautiful woman.n. A partially punched opening meant for optional later removal.n. The deactivation of a particular gene.n. A creature engineered with a particular gene deactivated.n. An event where a foreground color causes a background color not to print.n. A tournament, in which a team or player must beat the opponent in order to progress to the next round.adj. Rendering someone unconscious.adj. Amazing; gorgeous; beautiful.adj. Designating an organism in which a particular gene has been removed or deactivated.adj. Causing elimination from a competition