Green’s Dictionary of Slang

abram adj.

[abram n.]

1. insane, crazy.

[UK]Rowlands Martin Mark-all 36: Abram madde.

2. (UK Und.) naked.

[UK]Dekker O per se O M: Who therefore would pity such imposters [...] whose going Abram (that is to say, naked) is not for want of cloathes, but to stirre up men to pittie.
[UK]Head Eng. Rogue I 47: Abram, Naked.
[UK]New Canting Dict. n.p.: abram, Naked, without Cloaths, or scarce enough to hide the nakedness.
[UK]Defoe Street Robberies Considered 30: Abram, Naked.
[UK]Bailey Universal Etym. Eng. Dict.
[UK] B.M. Carew Life and Adventures.
[UK]Grose Classical Dict. of the Vulgar Tongue.
[UK]Lex. Balatronicum.
[UK]‘Jon Bee’ Dict. of the Turf, the Ring, the Chase, etc.
[UK]Duncombe New and Improved Flash Dict.