1. [early 17C; mid-19C+] to suffer, esp. in the context of an interrogation.
2. [mid-18C+] to put someone, esp. a prisoner, under pressure.
3. [late 18C–early 19C] to intimidate; thus sweating n.
4. [late 19C+] to work very hard; also reflexive; thus sweating den n., a synon. for sweat-shop.
5. [late 19C+] to make someone (occas. something) work hard; thus sweated adj., overworked.
6. [1910s] to travel with difficulty.
7. [1920s+] (orig. US, also sweat on) to worry about, to take trouble over; thus don’t sweat it
8. [1920s] to wait for.
9. [1970s+] (US black) to proposition.
10. [1990s+] (US black) to get involved in someone’s business, to harass.
11. [1990s+] (US black) to be obsessed with someone to the extent of sweating in their presence; to like something very much.
12. [1990s+] (US prison) to cause trouble for, to annoy.
13. [1990s+] to enthuse over (to an excessive extent), to flirt eagerly.
SE in slang uses
[1950s+] (orig. US black) don’t worry.
[1920s+] to stop worrying or interfering, to just let things turn out as they will.
1. [mid-19C+] a lazy person, an idler, one whose job requires little effort [20C+ use is US; note naut. jargon do a never, to shirk, to idle].
2. [1910s-70s] (Aus.) a loafer, one who makes no effort; thus as nickname, a council worker.
[1960s] (US) to work hard.
1. [1990s+] to work very hard.
2. see shit a brick v.
1. to worry excessively; to be terrified.
2. to work very hard.
[1950s+] to perspire very heavily.
see under duds n.1
[1960s] to need, to be deprived of.
1. [1920s+] (orig. US) to endure hardships and difficulties in the hope of achieving solutions or successes in the end; also as n.
2. [1940s–50s] (US drugs) to withdraw from narcotic addiction.
3. [1940s+] to worry (about).
4. [1950s] to work out, to elucidate.
to work very hard.
1. [1910s+] (US) to be near to attaining, to wait for.
2. [1990s+] (US campus) to focus on, to stare at.
see sense 7 above.
[1920s+] to work extremely hard.
see under gut n.
see work one’s tail off under work v.
[1910s+] (Aus.) to be within a touch of obtaining what one desires.
[late 19C+] (US) to extract information from someone, usu. by intimidation.
[1980s] (US black) to harass, to bother another person.
[1990s+] (US prison) to fantasize about escape.
[1910s] to learn, to commit to memory.