Green’s Dictionary of Slang

rush n.

1. in senses of lit. or fig. overwhelming.

(a) [late 18C–early 19C] (UK Und.) robbery with violence; if the rush, then usu. of a single item, e.g. a cloak hanging outside a shop; if a rush, an assault by a number of men on a house with the intent of robbing the owners of their money and valuables.

(b) [mid–late 19C] a swindle; usu. as rush act, the

(c) [mid-19C–1910s] (US campus) a mass confrontation, groups of students against each other.

(d) a police raid.

(e) [mid-19C+] (Aus./US) a stampede.

(f) [20C+] the lavishing of attention on someone, usu. a woman, in the hope of gaining their affections; thus put on the rush, to attempt to impress.

(g) see bum’s rush n.

2. in US campus uses.

(a) [mid-19C] a poor recitation.

(b) [mid-19C–1900s] a perfect recitation.

3. [1930s] a winning streak.

4. in drug uses.

(a) [1950s+] the immediate effect of any drug.

(b) [1960s+] the immediate and intense feeling that follows the injection of heroin into a vein.

(c) [1960s+] a rush of adrenalin.

(d) [1970s+] amyl or isobutyl nitrite, which produces an instant effect.

(e) as ext. of sense 4(a) in non-drug use, a pleasure, a thrill.

In compounds

rush act, the (n.)

1. [1900s+] (US Und.) the use of pressure to achieve a confidence trick, the tricketers attempt to rush a victim into agreement.

2. [1920s] an attempt to befriend somebody.

3. [1930s] (US) in lit. use of sense 1, to move fast or hurriedly.

4. [20C+] (US) the courting or seduction of a woman.

5. [1980s] (UK Und.) impersonating the police in order to extort bribes from fellow criminals.

In phrases

do a rush up the frills (v.) (also do a rush up the petticoats, ...up the straight)

[mid–late 19C] to have sexual intercourse while virtually fully clothed.

do it on the rush (v.)

[mid-19C] to run away; to make an escape.

give it to someone upon the rush (v.)

[early–mid-19C] to make an intense effort to leave or escape a place.

give someone the rush (v.)

1. [early 19C] (UK und.) to escape.

2. [mid-19C–1910s] to sponge off someone for a lengthy period and top it off by successfully requesting a loan.