Sentence:  ... Jesse's striking beauty or a Go-Go dancer's muscular body, he did start to notice the curves of his lower back, narrow thighs and the sharp angles of his <WSD>V-line</WSD> pointing to his dick and down to his strong calves that swayed him side-to-side. 
Meaning of the word marked with <WSD> tags:  (slang) The iliac furrow.