fart in a mitten
n.— «Here’s a saying I had previously only encountered within my family, particularly my grandparents who grew up in Southern Indiana. The usage I am familiar with always conveyed restlessness, frenetic energy. “You are bouncing around like a far in a mitten.”» —“Fart in a mitten” by Troy ADS-L Oct. 6, 2006. (source: Double-Tongued Dictionary)