Not a Joke , but a true story.
Back in the '80s one of my workmates had to provide a urine sample for his doctor. So he did it in an empty plastic orange juice bottle and put it in the fridge in the lunchroom at work. Good hygiene.
His girlfriend was working alongside him, earning some extra money for xmas. So it being a hot day and feeling thirsty
she heads to the lunch room for a drink of water.
She comes back a few minutes later pulling all sorts of faces. She says "you should chuck out that orange juice in the fridge, it's gone off, it's the worst I've ever tasted".
All us guys just didn't say a word.