o lol
You yell 'Oh, LOL!' like you just saw the dumbest thing ever, but you're really just trying to hide how bored you are.
'Oh, LOL!' as my friend sent me a cat video at 2 a. m.
'Oh, LOL!' when my cousin told me about her ex for the 10th time.
'Oh, LOL!' after my teacher explained math like it was a mystery.