fart in a mitten
n.— «I could not bear to cut any of this out, you did a helluva good job and because the whole god damned thing started over a fart in a mitten made by me I can truthfully confirm that you have the meat of the situation down exactly.» —“Re: Harassment training (was Expres Test)” by Gord Beaman in Prince Edward Island, Canada Usenet:can.community.military July 18, 2000. (source: Double-Tongued Dictionary)
Further reading
Imagine telling someone how to get to your home, but without using the name of your street, or any other street within ten miles. Could you do it? We take street names for granted, but these words are useful for far more, like applying for a job or...
Chris from Kittery, Maine, wonders about the colloquial expression no sirree, Bob! or yes sirree, Bob!, which is an emphatic way of saying “definitely not!” or “no way!” The sirree (sometimes spelled with one r, as siree) in...