LET'S STUDY SLANG

I learned new slang "oh, snap!" from website. It means "oh, no!", "Wow!" something like that.
If I saw something really cool and exciting in a movie, I would say "Oh, snap!".
And "snap" also means to insult someone call or them a name. Have you heard of "Your Mama" jokes before? When you tell bad jokes or something about someone's mother, you are "snapping" on that person. Those kind of jokes called "snaps". "Snap" also means to go crazy or get really angry with a person.
Oh, snap! It has many means!!

Todays phrase.
"Before the killer went crazy and shoot everyone, he got bad news from his wife that made him snap."