Answer: tipped

AnswerCrossword Clue
TIPPEDUpset
tippedTIP, to tilt (to cause to slant)
tipped(in bookbinding) Paste a single page, typically an illustration, to the neighboring page of a book by a thin line of paste down its inner margin
tippedColor (something) at its end or edge
tippedAttach to or cover the end or extremity of
TIPPEDRewarded for waiting
TIPPEDGave a little extra
TIPPEDOverturned
TIPPEDLeft a gratuity
TIPPEDGave something extra
TIPPEDPaid a gratuity
TIPPEDLeft a little something extra
TIPPEDLeft a few bucks on the table?
TIPPEDLeft money on the table
TIPPEDGave a pourboire
TIPPEDGave inside info
TIPPEDRewarded, in a way.
TIPPEDDidn't stiff
TIPPEDKeeled (over)
TIPPEDSlanted
TIPPEDRewarded the server
TIPPEDLeft 15% on the table
TIPPEDLeft 15%, perhaps
TIPPEDOverturned, with "over"
TIPPEDRewarded good service
TIPPEDBegan to upset