Actually, it just means that someone laughed VERY hard. Or in other words, laughed ALOT.
no it is not one
"Singing your head off" means that you are singing loudly and enthusiastically, you are really enjoying singing.
You laughed out loud...
An idiom is something that does not mean what the phrase says literally, so yes. You can't actually laugh your head off.
It means what it sounds like. Or it can mean just plain and simply to kill said person.
no it is not one
Hyperbole
it mean your off your head
He laughed.
Yes. On twitter she said she was going to get a massage and she was very ticklish and didn't know if she could take it. She later reported she "laughed her head off"
lmho-laughing my head off
Laughing my head off
It means laughing my head or laughing my head off
He/She liked you now
To cut off the head.
"Singing your head off" means that you are singing loudly and enthusiastically, you are really enjoying singing.
there mean they will bite your head off... What do you think sherlock?