2) puerto rican
3) personal record
4) pic related; in a post, with a relativly large added 'story' no-one would read this, unless you have an image, if related; PR, if non related; PNR. If non related the picture was just added to draw readers
2) Look at Jose, drunk as hell, what a pr!
3) I beated my pr dude! 3 seconds faster than last time!
4) I got my foot stuck in a sewer, pr.