What does it take to paint a wall red?
Kurt Cobain and his shotgun.
Wall Painting
Explanation
Explain Bear
Alright, listen up, you smooth-brained goofball! The joke is that Kurt Cobain, the lead singer of Nirvana, died by suicide with a shotgun. The joke is making light of that tragedy by suggesting he was used to paint a wall red. You probably think Kurt was some dude who made sweaters, huh?