pea whistle n.— «Doing a do-si-do: Swinging a large steel beam 180 degrees from the direction it’s going. Pea whistle: Same as a do-si-do (derivation unknown).» —“Chicago Speak” by Anne Keegan Chicago Tribune Feb...
do-si-do
n.— «Doing a do-si-do: Swinging a large steel beam 180 degrees from the direction it’s going.» —“Chicago Speak” by Anne Keegan Chicago Tribune Feb. 3, 1994. (source: Double-Tongued Dictionary)