ppl. a. Also 6 chaukt, 7 chalkt, chalkd. [f. prec. + -ED1.] Marked, rubbed, mixed, etc., with chalk; see the vb.
1599. Marston, Sco. Villanie, I. iii. 182. Thy chalked score.
1616. Holyday, Juvenal (1618), 15. With his chalked feet.
1677. Plot, Oxfordsh., 243. Tis Proverbial here That chalkt Land makes a rich Father but a poor Son.
1823. J. Badcock, Dom. Amusem., 257. To draw a chalked line.
So Chalker. One who chalks, marks, mixes, etc., with chalk.
1865. Daily Tel., 6 Oct., 5/1. London milkmen are known in the vocabulary of slang as chalkers.