Diddly squat informal pronoun
This expression means anything.
I know diddly-squat about her family.
Jane didn't care diddly-squat about what his parents said.
This phrase is a derisive answer to an inappropriate, unreasonable, or stupid question
Whatever you mention, someone will get it.
To encounter bad luck, or being picked doing something undesirable
Mike drew the short straw and had to clean the bathroom