Top definition
When you're banging a Mormon girl and you're going at it so hard she cracks her skull open on the headboard/wall at the end of the bed and you proceed to fuck it.
1. "Dude, I need your help hiding a body."
2. "What happened?"
1. "I did a Utah smasher."
2. "Bet, I gotchu fam."
2. "What happened?"
1. "I did a Utah smasher."
2. "Bet, I gotchu fam."
by Utah_Smasher February 15, 2018