What's green and smells like bacon?
Kermit the frog's finger.
Kermit's Finger
Explanation
Explain Bear
Alright, listen up, you chucklehead! The joke is that the finger of the famous Muppet, Kermit the Frog, smells like bacon. The joke is funny because it is unexpected. Bacon is made out of PIGS, and Kermit is a frog. You probably eat glue.