pillicock /pilˈi-kok/

1. The penis (allusively in Shakespeare)
2. A term of endearment to a boy

• quick off the mark
• quick on the draw
• quicks
• quicksand
• quicksands
• quick-sandy
• quick-scented
• quick-scenting
• quick-selling
• quickset
• quicksets
• quick-sighted
• quick-sightedness
• quicksilver
• quicksilvered
• quicksilvering
• quicksilverings
• quicksilverish
• quicksilvers
• quicksilvery
• quickstep
• quickstepped
• quickstepping
• quicksteps
• quick-stick