What is Killer Diller?
1.
A musician that really plays all out. Especially a horn player. From the big band era.
Man, he's really killer diller on that trumpet.
2.
something so cool there are no other words to describe it.
Brian's Mercedes was soooooooooooooooo hella killer diller
See 
Random Words:
1. 
a gay guy
This colon cruiser, just touched me ass.
See colon, cruiser, gay, guy, butt.. 
1. 
Short word for after-school detention, comes  from UK.
I got a god damn afterschooler at 5!
See school, after, detention, class, work..