Expressions such as "I was making fun of myself" convey the sense that fun is something that can be amusing and not to be taken seriously. The adjective "funny" has two meanings, which often need to be clarified between a speaker and listener.
Here's the ultimate list of fun websites—from cool, interesting and random time-wasting websites to weird websites to go on when you're bored.
FUN meaning: 1 : someone or something that is amusing or enjoyable an enjoyable experience or person; 2 : an enjoyable or amusing time