Green’s Dictionary of Slang

fritzy n.

[on the fritz under fritz n.2 ]

(US Und.) an epileptic beggar, or one who poses as such.

[US]‘Boxcar Bertha’ Sister of the Road (1975) 301: Beggars [...] may be further sub-divided into groups: a. Blinkey (blind) b. Deafey (deaf) c. Dummy (dumb) d. D & D (deaf and dumb) e. Army or wingey (armless) f. Peggy (legless) g. Crippy (paralyzed) h. Fritzy (epileptic) i. Nuts (feeble-minded or insane) j. Shaky (with pronounced tremors).