CoD is the common abbreviation for the first-person shooter Call of Duty, and they're definitely agreeing with you. Multiplayer lobbies for Call of Duty are notoriously toxic and bigoted.
cod is call of duty. as soon as men/boys hear a girls voice, they get nasty and misogynistic instantly. videos on YouTube "oh you're a girl!" and shit hits the fan. it's why girls don't talk in public lobbies online.