Sex on a platter 

Someone who is very attractive and sexy. The platter part comes from them being so sexy you just want to eat them up (literally or metaphorically).

That guy is so sexy, he's sex on a platter.

Sex on a platter by toee December 3, 2006

a few tacos short of a combo platter 

someone who is mentally not with it...looney, lacking intelligence or just plain crazy.

yeah, you could say Jane was not the brightest bulb in the box, her elevator didn't go to the top floor, she is a few tacos short of a combo platter.

a few tacos short of a combo platter by Jeanette Tomascik September 1, 2006

two tacos short of a combo platter 

Insane, off-kilter, off the rocker, etc.

"Man.. that guy's two tacos short of a combo platter!"

two tacos short of a combo platter by jerry the cowboy December 27, 2003