Joke:
How do birds learn how to fly?
They just wing it.
Why it’s funny:
Figurative meaning: To wing it means to do something without planning — you improvise and hope for the best.
Literal meaning: Birds actually use their wings to fly.
So the joke works on two levels at the same time:
Birds “wing it” because they’re improvising… and also because flying literally requires wings.
That double meaning (wordplay) is what makes it funny