A: Bro last night was fucking mad
B: What happened?
A: I was shoveling snow for the first time and I almost had a heart attack B: Bro you're a fucking legend!!!!
After intercourse, the man goes down on the woman, licking (shoveling) his semen out of her vagina. Similar to snowballing except the semen is licked from the partner's vagina and not taken from her mouth during a kiss.
After he came, she asked him to go snowshoveling to clean her up.
An example of the "Provo Snowshovel"
includes the case of Joyce McKinney forcing sex on a kidnapped mormon man with the intention of fucking the mormon out of him.