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
Kyriake	-	Greek
Brant	[brænt]
Odilia	-	Ancient Germanic
Nsia	-	Western African, Akan
Tamar	TAH-mahr (English), TAY-mahr (English)	Hebrew, Georgian, Biblical, Biblical Hebrew
Visvaldis	-	Latvian