It's for when you don't have time to pronounce the specific action of 'blowing' something 'out'. To 'blout'.
When you're in a rush and you're asking the person next to you if you should blow out the candle, you say "should I BLOUT the candle?"
by Tobabby August 29, 2009
A cross between the vagina names Billy and Clout.
You should see my girlfriends blout.. It's a beauty.
by SamNewman August 12, 2008