English to English
1. a person or animal that is markedly unusual or deformed
2. someone who is so ardently devoted to something that it resembles an addiction
a golf addict|a car nut|a bodybuilding freak|a news junkie
3. A sudden causeless change or turn of the mind; a whim of fancy; a capricious prank; a vagary or caprice.
4. lose one's nerve
When he saw the accident, he freaked out
5. To variegate; to checker; to streak.