An acronym that means picture for proof, largely used
in text. pfp is a response to an action that someone "says" they are doing. Whether it is used online or in a text message. Most commonly used on status
updates. Used to make sure that the person is not lying about what they are doing. After saying this the person should upload or send a picture to proof their statement.
Comparable with
vfp - video for proof
Joe Smith updates his status to say "At the
Celtics game!!"
Jon Doe comments "pfp"
Greg says
to Sean in a text message, "I just took the biggest shit."
Sean says to Greg, "pfp"