subs. (Anglo-Indian).Gossip; scandal.
1868. FLORENCE MARRYAT, Gup, xix. With regard to my title . GUP is the Hindustani for Gossipvoilà tout
1883. HAWLEY SMART, Hard Lines, ch. xxix. Our Eastern empire is much addicted to what they term GUP, whereby they mean gossip, scandal, or by whatever other equivalent the taking away of ones neighbours characters may be designated.
TO BE A GUP, verb. phr. (American).To be easy to take or steal.