Lyric discussion by iamhunnastunna 

Cover art for Night Marry You lyrics by Right Away, Great Captain!

"you've got exactly what I'm drinking for" -i think he's saying that all the qualities he listed are the one's he drinks to see in other women.

"you are exactly what a night-mares for" -everything she did gives him nightmares.

"i'll night marry you" -saying he hopes he gives her nightmares.