recorded from c. 1500, but probably much older, from child's speech, nearly universal and probably prehistoric (compare Welsh tad, Irish daid, Czech, Latin, Greek tata, Lithuanian tete, Sanskrit tatah, all of the same meaning).
1. There's always tons of scrap paper in Dad's office.
2. "They play classic rock'n"roll,' states her boyfriend, "My dad digs them too."
3. Dad spoils me. He loves me. He sticks up for me.
4. Oh, please, Dad, just this once don't be cheap.
5. "Dad?" — "What?" — "Can I have the car tonight?"