Blinding light, or a look that could kill if looks could kill
Archive - Show #5558, aired 2008-11-05 [PAR] The opposite of a go-thither look would be this inviting hyphenated expression ... 
Blinding light, or a look that could kill if looks could kill... [DOC] [TLE] if looks could kill - Wiktionary [PAR] An ellipsis (anapodoton) for an expression such as "If looks could kill, her look 
would have led to a murder of the person she was looking at."