Wasting time, lazing around, procrastinating. When you're supposed to be somewhere, and you're late, you're dogfucking.
Note this definition has nothing to do with actually having sex with canines.
Guy #1: Is Dave coming?
Guy #2: Who knows how long he'll be, he's been dogfucking all day.
Deactivating your facebook account when you are mad, drunk or feeling sorry for yourself.
Mark: So many people deleting their facebook accounts lately.
Craig: Yeah they just defacing, it must be that time of the month.. don't worry they will be back next week...