Top definition
1. The effect that a slightly open car window (2 to 4 inches) has on the probability one will take up the habit of smoking.
2. The fact that 98% of people utilizing partially-opened windows smoke.
3. The long trail of cigarette ash originating from the front-top of the window leading down and behind the starting point.
Bob: "It's a bit stuffy in here. Let me open the window a bit."
Frank: "No no no, Bob! Either put the window all the way down or leave it up! You know Smoker's Window Syndrome will set in and you'll run to buy a pack!"
by Nuxodom November 22, 2009
Happy St. Patties Day!