1. An exclamation of shock, surprise, or disbelief when someone says or does something remarkably or controversially incisive, especially an insult or retort. A: "The boss said my work had been getting too sloppy to keep me on the team, so I told her, 'At least my company isn't on the brink of bankruptcy!'" B: "Oh, snap! I can't believe you said that!" A: "I don't know why John is giving you dating advice—he couldn't get a date if he was the last guy on the planet." B: "Hahaha, snap!"

2. An exclamation of dismay or vexation, especially upon remembering or realizing something unfortunate or undesirable. A: "How's studying going for your exam?" B: "Oh, snap! I forgot that was this week—I'd better hit the books!" A: "Remember that I've got work on Saturday, so I need you home to look after your little sister." B: "Snap, that's this Saturday? But I was going to go to Jeff's house for a party!"

3. An exclamation of joy or excitement when something very good or fortunate happens. Just found out I aced my exam—snap! Ohhh, snap—we're going to states!

1. verb To go crazy. One day, she just snapped and started threatening people in the office.

2. noun Something that is very easy or effortless to do. A song like this will be a snap once you get more comfortable with playing the guitar.

3. A snapshot photograph. Oh, those snaps won't work—they're too dark.