Green’s Dictionary of Slang

hump v.1

1. [mid-17C+] to have sexual intercourse [the hump in the man’s back, when in the ‘missionary position’; orig. UK until early 19C, then to the US early 20C; revived in UK mid-20C+].

2. attrib. use of sense 1.

3. lit. + fig. uses of SE hump, to make a hump in one’s back f. effort etc.

(a) [mid-19C–1920s] (Aus./US) to take pride in oneself, to fancy oneself; thus humped, proud.

(b) [mid-19C+] (US) to exert oneself, to work hard; as imp. hump yourself!, get on with it!

(c) [mid-19C+] (US) to travel fast, of people or objects.

(d) [mid-19C+] (US/Aus.) to carry heavy objects; esp. in milit. use, patrolling with a heavy pack, weapon, supplies etc.

(e) [late 19C+] (orig. Aus.) often constr. with it, to tramp, to trudge, to go on foot; also in fig. use.

4. fig. uses of sense 1, on model of fuck v. (2)

(a) [mid–late 19C] to botch, to spoil.

(b) [late 19C] (US) to beat up.

(c) [late 19C+] as a dismissive v. or excl.

(d) [1950s+] to make someone else suffer, to exploit, to harm.

(e) [1960s+] to suffer.

In compounds

In phrases

hump ’em and dump ’em [dump v. (6)]

[1980s+] a popular male catchphrase suggesting that seduction and then abandonment are the best ways of relating to women.

hump it (v.) (also hump off)

1. [20C+] to leave.

2. [1920s] to die.

hump one’s bluey/drum/Matilda/swag (v.)

see under relevant n.