[f. TRUCKLE v. + -ER1.] One who truckles (in sense 2 b of the verb).
1827. Scott, Napoleon, Introd., Wks. 1870, IX. 31. These trucklers to fortune.
1848. Kingsley, Saints Trag., III. ii. The wonder Of timid trucklers.
1872. Geo. Eliot, Middlem., xliv. I should be a base truckler if I allowed any consideration of personal comfort to hinder me.