Pepto-Bismol (or pink bismuth), specifically, is known to turn the tongue and/or stool black temporarily. This condition can persist for a few days... Q.diarrhea for 4 wks. watery and then black stools.
sick day noun [C]. âº a day for which an âemployee âreceives âpay while âabsent from âwork because of âillness. (Definition of sick day from the Cambridge Academic Content Dictionary Â© Cambridge University Press).
adjective. noun. The definition of sick is to have an illness, to be tired of something or sorrowful about something. 1  An example of sick is having the flu. 2  An example of sick is being tired of going shopping. 3  An example of sick is to be annoyed at constantly being lied to by an employee.