The liberty to pass gas freely without fear of discovery.
Scott: I think we should skip the Mexican food for lunch today, it gives me mad gas and we have to go back to work.
Tom: Come chill with me in the fermentation lab this afternoon. We're growing anaerobes today and the stench is so ripe you'd have farte blanche.
by Iguana Girl September 12, 2005
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Unrestricted power to fart at one's own discretion. Permission to fart freely.
She gave her husband farte blanche to stink up the bedroom.
by Friedlad July 12, 2013
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Having the freedom to fart whenever you want, which men don't have when they are around women.
After scoring with a chick, Robbie never sleeps over because he can't go all night without having farte blanche.
by Robbie Todman June 20, 2016
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A light-headedness and pale pallor caused by an adverse reaction to an anal olfactory offence (real rip-snorting air-biscuit) exacerbated holding ones breath for too long to avoid the onslaught to said offence.
It was my turn underneath for a 69. I let one go and when I eventually let him out from under the covers he had such a 'Farte Blanche' that I thought he was going to pass-out!
by Razenby August 29, 2013
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Permission by one's spouse to fart under the blankets while in bed together.
"Honey, you have fart blanche to fart under the blankets tonight."
by bean_eater February 9, 2010
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