Green’s Dictionary of Slang

fam n.1

also famm, fem, feme
[abbr. famble n. (1)]

1. [late 17C–1910s] a hand.

2. [18C–mid-19C] a ring.

In derivatives

fammer (n.)

[mid–19C] (UK Und.) a pickpocket.

In compounds

fam-cloth (n.)

[late 17C–18C] a handkerchief.

fam-grasp (v.)

[late 17C–18C] to shake hands (and make up one’s differences).

fam-lay (n.) [lay n.3 (1)]

[18C–19C] pickpocketing or shoplifting; thus fam-layer, a shoplifter.

fam-rust (n.) [fig. use of SE rust]

[mid-19C] (UK Und.) a lack of practice at thieving (esp. pickpocketing).

fam-snatcher (n.)

[early 19C] a glove.

fam-squeeze (n.)

[early 19C] throttling.

fam-sticks (n.)

[late 18C] (UK Und.) gloves.

fam-strings (n.)

[18C] (UK Und.) gloves.