1. a sudden loss of emotional control; a panic or breakdown
Usage: informal; often hyphenated as 'freak-out' or written as two words 'freak out' when used as a verb
2. a wild or unconventional party or gathering, especially one associated with counterculture or psychedelic music
Usage: informal; dated; 1960s slang

Examples

• She had a complete freakout when she saw the spider in her room.
• Don't have a freakout—we can fix this problem together.
• He was on the verge of a freakout after failing the exam.
• The concert turned into a wild freakout with dancing and music.
• When the power went out, some people started to freakout.
• Try to stay calm and avoid a freakout in stressful situations.