The act of defacating on a persons head during a sexual encounter so that it drapes across the forehead in the fashion of a small brimmed hat.
Can you believe Vince gave that chick a San Francisco fedora during the threesome?
San Francisco Fedora is the act of taking a dump on your partners head while having a threesome
Last night I hooked up with that chick and her friend from the club and gave them a San Francisco Fedora
When you take a crap on someone's head.
Not even the potential payout would force me to admit I let an old man give me a San Francisco Fedora while I suck and fuck multiple guys.