The state of being semi-arroused, without necessarily being strictly sexual.
a) When a man's penis is neither flaccid nor hard.
b) When a woman is neither wet nor completely dry.
Tom: Wow Kate, you look very beautiful today!
Kate: Why thank you Tom!
Tom: Heheh, you make me feel all tingly inside...
Kate: Gosh Tom, are you alright? You don't look so good!
Tom: Not to worry Kate, you've just made me whidden!
Kate: Oh dear...