dial. [Cf. CLOUT sb.1] A blow.
c. 1650. Turke & Gowin, 142, in Furnivall, Percy Folio, I. 95. Thou shalt see a tenisse ball that neuer knight in Arthurs hall is able to giue it a lout.
1877. N. W. Linc. Gloss., s.v., I fetchd him a lout upo th side o th heäd.