A title, for male or female, pertaining to excitement and/or stimulation caused by or correlated to promotional marketing, collateral, consumerism, etc. Also refes to sexual acts for want and need of material goods.
"Oh my god, Lindsey is such a Promosexual, the only reason she gave the bouncer a bl*wj*b was so she could get into the VIP room."
"Wow, you really get off on collecting airline miles don't you? You are such a promosexual."