nail Jell-O to the wall

and nail Jell-O to a cross and nail Jell-O to a tree

phr. to do?something that is totally futile. (Jell-O is a protected trade name.) You’re wasting your time. Trying to get him to do that is like nailing Jell-O to the wall.

Common Names:

Name	Pronounced	Usage
Aeolus	[i:ələs]
Aristeides	-	Ancient Greek
Svetlana	svyet-LAH-nah (Russian), sveet-LAH-nah (Russian)	Russian, Slovak, Bulgarian, Serbian, Macedonian
Ryanne	rie-AN	English (Rare)
Sava	-	Serbian, Bulgarian
Vendela	-	Swedish