Green’s Dictionary of Slang

line n.1

In compounds

line-shooter (n.) [shoot a line ]

[1940s+] one who talks pretentiously or boasts.

In phrases

dead line (n.) [fig. use of US milit. jargon dead line, a line drawn around a military prison, beyond which a prisoner is liable to be shot down]

[late 19C–1920s] (US) the red light area of a town or city; also attrib.

do a line (v.) (also do lines)

[1970s+] (drugs) to inhale cocaine.

do a line (with) (v.) (also knock a line (with)) [1930s+]

1. (Aus.) of a man, to talk amorously and seductively; of either sex, to talk persuasively.

2. [1930s+] (Irish) to have a sexual relationship, a courtship.

dusty line (n.) [SE dusty + line n.1 (2b)]

[1980s+] (US black) a piece of outmoded slang.

feed a line (v.) (also feed)

[1950s+] to deceive through a cunning story or excessive charm, to persuade, to talk smoothly.

get a line on (v.)

[late 19C+] (orig. US) to understand, to acquire information about; thus give a line on, to impart information or knowledge.

get someone in a line (v.)

[early–mid-19C] (UK Und.) to engage a victim in conversation while an accomplice is robbing them.

hand (out) a line (v.)

[20C+] to deceive through a cunning story or excessive charm.

line up (v.)

[2010s] (UK drugs) to inhale a portion of a narcotic.

on the line (also down the line)

[1930s] (US Und.) working as a street prostitute or in a brothel.

pull a line (on) (v.)

[1920s–60s] to deceive, to get away with a dubious scheme.

run a line (v.)

1. [2000s] (UK drugs) to smoke heroin from a sheet of tinfoil, the heated heroin liquefies and runs down the foil, leaving a brown line.

2. see shoot a line

run down some lines (v.) [run down v. (3)] [1980s+] (US black)

1. to make conversation.

2. to attempt seduction by smooth talking.

sell a line (v.)

[1900s–30s] to promote a persuasive patter.

shoot a line (v.) (also run a line) [shoot v. (5)]

1. [late 19C+] to concoct a smooth patter, esp. with the specific aim of seduction.

2. to send a letter.

sling a line (v.) [sling v. (2a)]

[1900s] to tell a lie, to deceive.

take it in the line (v.)

[1930s] to inject into a vein.