Green’s Dictionary of Slang

up v.

1. [17C+] to begin, to push oneself forward, to say or do something; usu. in phr. ups and ..., e.g. he ups and starts saying.

2. fig. senses of to increase.

(a) [1930s+] (orig. US) to raise, to increase prices, charges etc.

(b) [1950s+] (orig. US) to improve, to boost; to promote.

(c) [1960s] (US black) to be better, to beat.

(d) to promote.

3. [late 19C] to have sexual intercourse with [the man puts his penis up the vagina].

4. to stab.

5. [1940s] (US) to enlist, i.e. join up.

6. [1950s] (US black) to play music.

7. [1950s+] in terms of contempt or dismissal; a euph. for fuck v. (3); usu. in excls. below; note also up your arse! excl.

8. [1960s–70s] (US) to hand over, to produce [SE come up with].

9. [2000s] (UK Und.) to beat up.

10. [2000s] to mock [to ‘put two fingers up to’].

In phrases

up and dust (v.) [dust v.2 (1)]

[20C+] (US black) to leave in a hurry, to run away.

In exclamations

up you! (also upya!) [euph. for fuck you! excl., esp. when accompanied by the (orig. US) raised middle-finger gesture]

[late 19C+] a dismissive, contemptuous excl.

up you for the rent! (also up you for the rhubarb season! …for the winter! up yours for the rent!)

[1940s+] (Aus.) a dismissive, contemptuous excl.

up yours! [sense 6 above + euph. abbr. of up your arse! excl.]

1. [1930s+] (orig. US) an excl. of contempt.

2. attrib. use of sense 1.