Green’s Dictionary of Slang

pencil (and chalk) v.

(Aus.) to walk.

1917

in Seal (1999) 59: The Yank: ‘Say Guy, how far to battle?’ Aussie: ‘Well sonny, I guess it’s about five kilos. Just “pencil and chalk” straight along this “frog and toad” till you come to the “romp and ramp” on the “johnny homer”.’.