Here's my contribution since we're all updating..

The Top 14 New Euphemisms for "Stupid"
14.Routinely outsmarted by cheese
13.Three experts short of an antitrust suit
12.Three-time Darwin Award winner
11.Keeps her brain in mint condition
10.A few planets short of a federation
9.Backstreet Boy in a Talking Heads world
8.Duh! on parade
7.Still cutting with rounded scissors
6.He's a T-1 line of pure stupid
5.At least one Brady short of a Bunch
4.Sharp as a donut
3.Has a vacancy at the Grey Matter Motel
2.T minus dumb and counting
and the Number 1 New Euphemism for "Stupid"...
1. "Good afternoon, Boulder Homicide"