"There can be only one!"
to smile while making sounds with your voice that show you think something is funny or you are happy:
They laughed at her jokes.
I couldn't stop laughing.
I said he'd have to give a talk and he laughed nervously.
She's so funny - she really makes me laugh.
It's very rare that a book is so good you actually laugh out loud.
It was so funny, I burst out laughing (= laughed suddenly and loudly).
I laughed till I cried.
1 the act or sound of laughing:
a loud/nervous laugh
I was embarrassed at the time, but I had a good laugh about it later.
2 INFORMAL an enjoyable or amusing activity:
"How was the party?" "Oh, it was a laugh."
3 MAINLY UK INFORMAL someone who is amusing:
You'd like Sharon - she's a good laugh.
(from Cambridge Advanced Learner's Dictionary)
I find it weird that some people choose negativity over 'fun' games.