- do
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1. n. a party; a social event.□ We had a smashing time at your little do.□ I’m having a do for a friend this weekend. Would you like to come?2. tv. & in. to use a drug or drugs in general. (See also do a line; do drugs.)□ Is Tracy doing dust again?□ Tracy never stopped doing. She just switched from dust to splash.3. AND doo n. a hairdo.□ Nice do. Is it new?□ I can’t go out in this rain and get my doo wet!4. Go to (must) do.5. in. to serve (a purpose) well. (Usually with will or won’t.)□ This will do quite nicely.□ Oh, yes, this will do.□ That won’t do at all!6. Go to doo-doo.7. tv. to copulate [with] someone. (Usually objectionable.)□ He did Martha, then he did Sue, then he did Gloria.
Dictionary of American slang and colloquial expressions. 2015.