frog and toad, v. — Green’s Dictionary of Slang

frog and toad v.

[frog (and toad) n. ; note WWI frog it, to march]

1. (also frog it) to walk.

1893

P.H. Emerson Signor Lippo 11: Did you frog it or come by the rattler?

2. (Aus. prison) to leave, esp. to escape.

1990

Tupper & Wortley Aus. Prison Sl. Gloss. 🌐 Frog and toad. Leave, or more specifically, to escape. Rhyming slang for road. As in ‘to hit (or on) the frog and toad’. Variation of ‘to hit the road’.