An abbreviation which stands for "Send Your Buddy Some Titties Day", which happens to be every Monday. This most glorious of days is celebrated by, quite literally, sending your buddy some titties whether it be by picture message, email, Facebook, etc..

A portmanteau of carpe diem, a Latin phrase that means “Seize the Day!” and DM, which stands for Direct Messages. This word means seizing the day via DMs.