A classic stupid thing would be for a criminal to plan a steal on a high class jewelery store......He holds everyone up grabs the jewels and dashes for the door he pulls it.....OH CRAP I'M LOCKED IN!!! after 10 mins of tugging the door he gives up and slides to the ground in disbelief..................upon being arrested the criminal says "DAMN IT I OVERLOOKED THE AIR TIGHT SECURITY DOORS THAT LOCK UP" "

"air tight security doors" laughs the cop "maybe if you tried PUSHING the door" and so the criminal is defeated by his own stupidity...... now thats stupid lol