ASL meaning in slang “Age Sex Location” and is still popular in texting culture even though it originated back in the days of internet chat rooms. Usually, when someone says “ASL? “, they’re just trying to get the basic info from you to open up a chat. Alternatively, though, “ASL” may be short for “American Sign Language” especially if the topic is education or accessibility. So, since ASL can mean different things, it’s good to pay attention to the context and mood in order to figure out what the person means.