When a woman is so hot and alluring that you are certain to need to mop up any after effects and remove any DNA evidence from your underwear or bedsheets.
"You know Karen, from Anchorage? In my book she's incredibly ShamWow-worthy, don't you think?"
An overwhelming feeling of shame that comes the morning after a long night of binge drinking. Often characterized by feelings of regret about what you said or did while you were wasted along with the regular symptoms of a hangover.
Dude, I got really drunk last night and sang "jitterbug" karaoke and I've got a total shameover.