Abbreviation for Now Watch This Drive. Usually seen on the internet, used dismissively or as a non sequitur. May be used in conjunction with other dismissive abbreviations like HTH or HAND.
Troll: "Sosa's easily the better hitter. How many 60-HR seasons did Gwynn have?"
Flamer: "How many times did Sosa fail to help his team by striking out, instead of getting one of 3,000 hits to advance and score runners. HTH. NWTD."