pantylining

When a male grazes his fingers across the bottom of a female's stomach, about where the elastic of her panty usually is, causing her to become extremely turned on; usually a precursor to being fingered and possibly sex.

Girl 1: Last night my boyfriend tried pantylining me.
Girl 2: How was it?
Girl 1: I've never been so turned on in my life!

ignite my pubes

Something that excites you or that you enjoy. It is also common to use the negative form to describe something you do not like.

Guy 1: Hey did you watch the new season of House of Cards?
Guy 2: No. I'm not really a fan of the show. It really doesn't ignite my pubes.