1. [mid-19C+] a euph. for the obscenity or oath of the speaker’s choice, e.g. ‘I don’t give a something’, i.e. a fuck n. (2a) or a damn n.
2. [1920s+] (orig. US) a remarkable thing or person, e.g. She’s really something!
[20C+] an excl. or description of approval or wonder; also as n.
SE in slang uses
[mid-19C–1900s] a drink.
[mid-19C+] a useful opportunity for gain, e.g. a good racing tip.
[1940s] (US black) to attack someone physically, esp. with a knife.
[1910s+] (orig. US) to find out incriminating or otherwise negative information about someone, to gain an advantage over someone.
[late 19C] to thrash, to beat.
1. to have someone at a disadvantage, usu. through incriminating or negative information.
2. to be popular with.
3. to be better than, although usu. in negative.
see under sock n.1
[late 19C] a dubious figure, prob. a fraudster or even a burglar.
[1910s+] (US) skill, talent, great ability; thus negative phr. nothing on the ball.
[1950s+] (gay) referring to someone who is presumed to have had a sex-change.
[20C+] a distasteful, prob. dirty or unkempt, object or person.
[1970s] (US black) that’s a different matter.