A compliment, an insult, or a drug - only the context will determine its meaning.
Scenario A:
Guy: "Hey bby, lemme sniff that lemon poosie."
Scenario B:
Guy: "Dude, you such a lemon poosie."
Scenario C:
Guy: "Hey, you got that good shit?"
Dealer: "Yeah, here you go mah guy."
Guy: "AAAAAA SHIT, that's some good lemon poosie."