1. a cool or awesome person.
2. a fairly common name in Germany.
3. the name of a sewing machine company.
4. a word used to replace the word fuck, to censor yourself
1. dude you got to get to know this kid he's a Pfaff.
2. hey do you know Mr. Pfaff?
3. Did you know Pfaff sewing machine are the Mercedes of sewing machines.
4. Guy: Ah FUCK!
Dude: hey there are little kids here!
Guy: Ah Pfaff then.