The inability to react or get tasks finished because one is involved with a sexual activity with oneself or another. Usually a good reason to explain why you didnt do something.
John: Why didnt you pick up your phone an hour ago?
George: I was sexually distracted by Kelly, dude.
John: Oh, okay. No problem.
Kevin: I was gonna be on time beers, but Amanda kept sexually distracting by doing a nice strip tease and rubbin' my cock up.