Top Definition
When a guy/girl gets sexually aroused by dirty talk
OMG, he's got a mud-boner!
by seenitallbefore June 19, 2009
mud boner

Once you withdraw your erect penis from an anus and it is covered in poo
Ryan had been slamming his erect penis into Shaun's Anus after a night out dancing and when Ryan finished jamming it into Shaun he pulled it out and it was covered in Shaun s poo - Ryan looked down and realised he had a mud boner
by Swine Doctor June 01, 2016
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