From Dictionary of the Scots Language:

DSL - SND1   DRAIGLE, v. and n. Also draiggle, †dregle. Sc. forms and usages of Eng. draggle. [ˈdregəl]    I. v.    1. tr.
    (1) As in Eng., to soil, bespatter (Sc. 1818 Sawers Dict. Sc. Lang.; Ayr.9 1949).
    *Ayr. 1796 Burns Comin thro' the Rye i.:
    She draigl't a' her petticoatie, Comin thro' the rye! [Cf. 3, below.]
    (2) To mix (a dry substance such as meal or flour) with water (Bnff. 1866 Gregor D. Bnff. 41; Bnff.2, Abd.2, Abd.9 1940).