The act of taking the leftover mashed potatoes, from Easter dinner, and inserting them into your partners vagina while she is on her period, then fucking the mashed potatoes out, resembling a rusty snowplow on a beat up '76 Chevy truck....
After my uncle tried to fight my sister at my moms Easter dinner party, John gave me Rusty Snowplow.
by KRiver December 22, 2016
Wrestling term, basically a Full Nelson except the individual performing the move also inserts their dick inside the anus of the recipient. Creating a 3 point hold that’s impossible to break free from.
by KRiver September 16, 2018
by KRiver August 14, 2019