You searched for: “dope
dope, dupe, dupe
dope (DOHP) (noun)
1. Any drug or narcotic: The slick looking man on the street corner looked like he was selling dope.
2. Slang for someone who is not considered to be very intelligent: When Hans lost the spelling bee, he felt like a complete dope.
dupe (DOOP, DYOOP) (verb)
To deceive by trickery; to fool or to cheat: The man in the hotel tried to dupe Cathleen's friend into paying a high price for a cheap watch.
dupe (DOOP, DYOOP) (noun)
A person who is easily deceived or tricked: Scott was an unwitting dupe in the scheme to trick the woman out of $500.

Any dope who allows a friend to dupe him or her into using dope will feel as if the friend tried to dupe that person into believing that using dope would be a healthy choice.