To ruin the sex you can give her a Shitty Titty.
http://www.urbandictionary.com/define.ph...itty+titty
http://www.urbandictionary.com/define.ph...itty+titty
Quote:shitty titty
A sexual move when a male inserts his penis into a female's brown eye, then proceeds to titty fuck the lady, leaving remnants of shit from her own ass on her chest.
I gave Shannon a shitty titty and then kicked her ass out because she had her own shit all over her tits.