Possible Clues:

• Juicy
• Juicy, luscious
• Uncle's cut off a cactus?
• Cactus, e.g
• Sounds like what to do with the sweet you made a loan of
• Full of juice
• Eg, a cactus
• Tasty plant
• Lush - man following copper hither and thither in the street
• Lush's drink, say - endless rum supplied