When you're fucking your girl from behind, say you're gunna cum on her back... instead, spit on her back, and when she turns around, let it go all up in her face...
While immersed in doggy styleintercourse, one spits on their partners back to fake an orgasm and as their partner turns around they proceed to ejaculate on their face. The ultimate facial deception.
Sarah was so mad after I gave her the false-spitting dragon last night.