a Lake
A Lake is someone who’s not sane. They’re either being silly or they’re mad. Either way, they’re a pain in the butt and they’ll probably throw a tantrum if you say the wrong thing.
"My Lake cousin threw a tantrum because his goldfish didn’t like him. I cried.", @sad_cousin
"She’s a Lake. She yelled at the mailman because he didn’t say ‘hello’ to her.", @mailman_hater
"He’s a Lake. He got mad because I said ‘I like pizza more than you.’ He cried. I won.", @pizza_king"