To be so incredibly surprised, confused, or astonished by an action, statement, or situation that no other word can describe what you have experienced or heard.
Dude I'm completely boofounded that you actually milked that cat.
slip of the tongue perhaps,
Those idiots who drive around in a ridiculously raised pick up truck, making a top heavy vehicle even more top heavy and unstable
A:*gah*
B: "Whats the matter"
A: This dam prickup is blinding me.
B: Stupid thing's, as if there lights weren't blinding enough as it is.