It is a over exaggerated “Asf” meaning
Asdf: as da fuck
“He sexy asdfff😍”
When a person is just bored out of their mind and don't know how to respond on Facebook Comment, so they just say asdf.
Facebook Guy 1: Definetly agree, that post is very useful.
Facebook Guy 2: I know right!
Random Person: asdf
Facebook Guy 3: what
a distress signal you put in chat when you are about to die in a video game
When I almost died in Minecraft, I typed asdf and then my friend flicked the trapdoor on my e pearl stasis chamber thingy.