That brief moment of indecision (or clarity) between seeing a really sweet butt and deciding whether or not to give it a nice little pat. Sometimes you go with it; sometimes you don't.
Whoa! I totally almost slapped that guy's butt. Glad I had a moment to spankulate. I might have made a serious social blunder, right there in the frozen foods!
The specified term of ejaculation on a four wheeled vehicle (buses are accepted), thus one centimeter cubed of sperm is bestowed upon a random amphibious creature (commonly a frog) proceeding through the selected location positioned in close proximity to the four wheeled vehicle.