How many degreeeeeeeeeeeeeeeeeeeeeeees does Billy Corgan have?
1979.
Billy Corgan's Degrees
Explanation
Explain Bear
Alright listen up, smarty pants! This here joke is all about wordplay, see? "1979" is a song by the Smashing Pumpkins, Billy Corgan's band. The joke plays on the double meaning of "degree" -- as in, a temperature and an academic qualification. You probably think Celsius is a vitamin.