Asdf are the first four letters from the left in the home row on a QWERTY keyboard, often used as filler text when typing or programming or to express high emotion as a “keysmash., " Asdf " are the four letter keys in the left hand-side home row of a standard QWERTY keyboard. In the context of online conversations, the letters are commonly used as a placeholder to convey anger, annoyance or joy, oftentimes in substitute for an obscenity or swearword. These "grawlix"-style are also referred to as “keyboard vomit.” [5], The term ASDF is an internet slang that refers to the first four keys on a keyboard that are struck with the left hand from the home position. It is used to express a strong emotional reaction, whether positive or negative, to something someone said or a situation., How to say asfsadf in English? Pronunciation of asfsadf with 1 audio pronunciation and more for asfsadf., int. 1. can signify a number of emotions including but not limited to distress, anger, amazement, joy, disbelief, confusion, dumbfoundedness, fear, and despair. 2. an online alternative for the emphasis needed to verbally say "what. the. fuck." girl: dude, i just got my clit pierced. Get the asdfasdf mug., Definition of ASDF in Slang/Internet Slang. What does ASDF stand for?.