Webster’s Revised Unabridged Dictionary · 1913
Prog
Prog (prŏg), v. i. [imp. & p. p. Progged. p. pr. & vb. n. Progging.] [Cf. D. prachen, G. prachern, Dan. prakke, Sw. pracka, to beg, L. procare, procari, to ask, demand, and E. prowl.] 1. To wander about and beg; to seek food or other supplies by low arts; to seek for advantage by mean shift or tricks. [Low]
A perfect artist in progging for money. Fuller.
I have been endeavoring to prog for you. Burke.
2. To steal; to rob; to filch. [Low] Johnson.
3. To prick; to goad; to progue. [Scot.]
Prog, n. 1. Victuals got by begging, or vagrancy; victuals of any kind; food; supplies. [Slang] Swift.
So long as he picked from the filth his prog. R. Browning.
2. A vagrant beggar; a tramp. [Slang]
3. A goal; progue. [Scot.]