[f. BOUSE v.1 + -ER1.] One who bouses; a toper, guzzler, drunkard.
1611. Cotgr., Piailleur, a tipler, bowser, pot-gossip.
1657. Reeve, Gods Plea, 131. These common Bowsers and daily Drunkards.
1809. W. Irving, Knickerb. (1861), 184. This redoubtable Swede a huge feeder, and bouser in proportion.