" FTW " is an abbreviation that means "for the win." It is used as a type of shorthand on the Internet and when texting as a way of expressing enthusiasm. Normally. This Internet Slang page is designed to explain what the meaning of FTW is. The slang word / acronym / abbreviation FTW means . Internet Slang. A list of. One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids. Buy the mug. 2. F.T.W. unknown. For the Win.