Green’s Dictionary of Slang

belt v.

[sense 1: lit. to hit with a belt; senses 2–5 fig. uses of sense 1]

1. [early 19C+] (also belt out, belt up) to hit (with a fist), to flog, to thrash.

2. [mid-19C+] to drink heavily, esp. straight from the bottle.

3. [late 19C+] to rush, to hurry.

4. [1960s] to trounce, to defeat soundly.

5. [1960s+] of a man, to have sexual intercourse.

6. see belt it out

In derivatives

belter (n.)

1. [1900s] a prostitute.

2. [1950s+] an admirable, exciting, or exceptional person [northern dial. belter, a heavy blow or series of blows].

3. [1950s+] something exceptional, exciting, amusing etc.

4. [1950s+] a boisterous, energetic singer [belt it out ].

5. [1950s+] a loud, emotional and melodramatic song [belt it out ].

6. [1970s] a (heavy) drinker.

7. in phr. a belter of, an extreme or exceptional example.

belting (n.)

[19C+] a beating.

belting (adj.)

[1950s+] excellent, very good of its type.

In compounds

belt-up (n.)

[1960s] a fight.

In phrases

at full belt (adv.)

[1960s] at full speed.

belt down (v.)

1. [20C+] to rain very hard.

2. [2000s] (N.Z.) to drink quickly.

belt into (v.)

[1960s] to eat heartily.

belt it (v.)

[1940s+] to masturbate.

belt it out (v.) (also belt)

[1950s+] to sing loudly and enthusiastically; thus belting n. and adj.

belt one on (v.)

[2000s] (N.Z.) to get very drunk.

belt one’s hog (v.)

see under hog n.

belt out (v.)

1. [1910s] (Aus.) to create, to gain, to make.

2. [1910s+] (orig. Aus.) to sing lustily; to broadcast noisily.

3. [1930s] (US) to eat heartily.

4. [1940s+] (US) to knock down, to destroy.

5. [1960s+] (US) to murder.

6. see sense 1 above.

belt the bottle (v.)

[1930s+] (orig. US) to drink heavily.

belt the grape (v.)

[1930s+] to drink heavily.

belt up (v.)

see sense 1 above.