Related:

• like nailing jelly to a tree: adj. Used to describe a task thought to be impossible, esp.
  one in which the difficulty arises from poor specification or inherent slipperiness in the problem domain....
• like nailing jelly to a tree adj. Used to describe a task thought to be impossible, esp.
  one in which the difficulty arises from poor specification or inherent slipperiness in the problem domain....
• Impossible - adj. Nailing Jello to a tree.
• Getting the truth from Clinton is like nailing Jello to the wall.
• Would you like a jelly baby?
• Care for a Jelly Baby? -- The Doctor.
• Want a jelly baby?
• CONTRACEPTIVE JELLY -- antipersonnel balm.
• VAGINAL JELLY -- hole schmear.