fart in a mitten
n.— «Such terms would, understandably, have the Broadcasting Standards people “jumping about like a fart in a mitten,” in the phrase that [Reinhold] Aman cited in 1984.» —“Lingua Franca: One Hell Of An Insult…“ by David Rowan Guardian (London, England) June 5, 1993. (source: Double-Tongued Dictionary)
Further reading
The expression you look like death eating on a Nab means “you look terrible.” It’s a humorous elaboration of the idea of death, which refers to death consuming a dry, salty, peanut-butter-filled snack made by the Nabisco company...
Unwrap the name of a candy bar, and you just might find a story inside. For instance, one chewy treat found in many a checkout lane is named after a family’s beloved horse. And: 50 years ago in the United States, some Latino elementary...