That elicited a real laugh.

Internet slang used by people with an IQ in or above double digits, meaning "lol".

"I say old chap! Two neutrons are walking down the street when one proceeds to say to the other, 'I think I've lost an electron!' The other ponders that and enquires, 'Are you sure?' to which the first responds, 'I'm positive!'"

"That elicited a real laugh."

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