1. in sexual contexts.
(a) [mid-16C–18C; 20C+] sexual intercourse .
(b) [18C+] the penis.
(c) [20C+] a prostitute or promiscuous woman; on the knock, working as a prostitute.
(d) [1910s] (Aus.) a girlfriend.
2. [mid-17C; late 19C+] in fig. uses.
(a) a negative opinion, a criticism, an insult.
(b) (also knockout) a setback.
3. in (US prison) use.
(a) [1910s] a prison sentence.
(b) [1990s+] the crime with which one has been charged; the crime one has committed.
see knocking-shop n.
[2000s] to track down, apprehend and arrest.
1. [late 19C+] to arrange a meeting with someone of the opposite sex.
2. [1930s+] to have sexual intercourse; to kiss and cuddle.
[late 19C] to receive punishment .
1. [late 19C] to knock down.
2. [late 19C] to disconcert, to irritate.
[1910s+] (Aus.) to steal.
see on the knocker under knocker n.1
[1910s] (US) to reject, to refuse.
[late 19C+] to disparage, to criticize.
1. [late 19C+] to suffer financial losses, often in gambling.
2. [late 19C+] to suffer an unpleasant surprise.
3. [1900s–1910s] of a bookmaker, to be defrauded.
4. (Aus.) to suffer a rejection.
5. [1910s+] of a bookmaker or bettor, to refuse or escape paying a due debt.
6. [late 19C+] (orig. US) to accept the blame.
7. [2000s] to be overcome by drink or drugs.