get (one's) freak on
1. To have sexual intercourse or a sexual experience. Primarily heard in US, South Africa. I can always hear my neighbors getting their freak on next door—it's so embarrassing!
2. To dance, especially in a wild, crazy, or uninhibited manner. Primarily heard in US, South Africa. Come on everybody, get out on the dance floor and get your freak on!
3. To party, especially in a wild, crazy, or uninhibited manner. Primarily heard in US, South Africa. I can't wait for your house party this weekend—I really need to get my freak on!
4. To act or behave in a wild, crazy, or uninhibited manner. Primarily heard in US, South Africa. Jeff really got his freak on last night after a few too many beers.