Well that's effective in grossing out the bartender and nearby patrons, anyway.

"Naw, naw, naw," The bartender says, pointing at By's unbuttoning hands. "None o' that 'ere, you wanna shit someplace, you take it outside."

"What, in the street?" Athessa's incredulity is only half an act. People walk in those streets! Gross!

"Quiet, you! I've half a mind to call the guard t' settle this."

"Yeah you've got half a mind alright," she mutters, and the barkeep's face turns a little redder.