Green’s Dictionary of Slang

loaded adj.

[load v.]

1. in senses suggesting a lit. or fig. additive.

(a) [19C+] of dice, in some way crooked.

(b) [1920s+] of anything other than dice, similarly crooked.

(c) [1920s+] (US) laced with alcohol, drugs or poison [note SE loaded, of wine, adulterated to appear full-bodied].

(d) [1950s] (US Und.) prepared to lie on oath.

(e) [1970s+] of boxers, to have the hands taped with heavy insulating tape, thus rendering his blows more lethal.

(f) [1980s] (Aus. Und., also loaded up) ‘planted’ with incriminating evidence.

2. [mid-19C+] (orig. US, also loaded up) drunk.

3. [late 19C+] (orig. US, also loaded up) intoxicated with a drug.

4. [late 19C+] (orig. US, also loaded down) rich, either in actual cash or simply, esp. in prison use, in possessions such as tobacco; of a place, filled with money or valuables.

5. [1920s+] in possession of a large amount of a given commodity, e.g. drugs.

6. [1950s+] of a female, well-built, big-breasted.

7. (Aus.) infected with a venereal disease.

8. [1970s] pregnant.

9. [2000s] of an automobile, customized [i.e. loaded with a variety of accessories].

10. see loaded for bear

In phrases

loaded down (adj.)

see sense 4 above.

loaded for bear (adj.) (also loaded, loaded for rhino) [hunting use, bear-shooting requires heavy armament] (US)

1. [late 19C–1950s] holding a good poker hand.

2. [late 19C+] fully prepared for all problems, esp. the hardest ones, thus also fully armed and equipped for conflict (cf. armed for bear phr.).

3. [1940s] drunk.

loaded to the... (adj.)

1. [late 19C+] in var. phrs. as synons. for drunk, incl. loaded to the barrel, ...the earlobes, ...the gills, ...the guards, ...the gunnels, ...the hat, ...the muzzle, ...the Plimsoll Mark, ...the tailgate.

2. [1940s+] (drugs) in var. phrs. as synons. for intoxicated by a drug.

loaded up (adj.)

1. see sense 1f above .

2. see sense 2 above .

3. see sense 3 above .