[f. FLAG v.3 and sb.2 + -ER1.]
1. One who flags or lays down flagstones.
1868. Whitman, Poems, To Working Men, 6. Ship-carpentering, dock-building, fish-curing, ferrying, stone-breaking, flagging of side-walks by flaggers.
2. slang. A street-walker.
1865. Daily Paper, Police Report (Farmer). She wasnt a low sort at allshe wasnt a Flagger, as we call it. So I replies, I am well, thankee; and am happy to say I feel as such.