In all 3 cases, someone forgot to pull it out.
Barbecue tonight!
Stephen Hawking after a house fire.
A human chu
I think I could pull it off
Mutated
Well, well, well
Because she had a pun in the oven!
A pregnant woman is in Labour
Some idiot forgot to pull it out in time.
Well, mostly to forget.....
Failure to pull out in time
Someone didn't pull it out in time.