I'd smite that
An expression suggesting you would like to kiss/have sex with the person. Used similarly to 'tap that', but generally used in a comical way (with a quick *suggestive eyebrows* for good measure).
*hot guy walks past*
"Ooh, I'd smite that!" *suggestive eyebrows*
"Ooh, I'd smite that!" *suggestive eyebrows*