[f. as prec. + -ING2.] That drinks deeply, addicted to drinking.
1569. [see BOUSING ppl. a.]
1770. Month. Rev., 73. The boozing companions of old Sir John.
1880. J. C. Watt, Gt. Novelists, 30. Those boosing coteries he [Scott] avoided even in his most thoughtless and frolicsome days.
1882. L. Stephen, Swift, ii. 26. The boozing fox-hunting squires.