Why was the blonde so excited that she completed a jigsaw puzzle in only 9 weeks? 
Because on the box it said 8-12 Years. 
Am I the piece? that finishes your puzzle. 
What do you call a bag of pork chops?
A Peppa Pig jigsaw puzzle.
Who makes a puzzle out of body parts?
Jigsaw.
Why is Kanye West's haircut actually years of work by many doctors to piece together skull fragments like a jigsaw puzzle?
Because Kanye once interrupted Chuck Norris on the set of "Walker Texas Ranger" 
"I wanna make a jigsaw puzzle that's 40,000 pieces. And when you finish it, it says 'go outside.'" 
Demetri Martin