1. when you use the bathroom and you miss the toilet, thus stinkin' up the house.
2. fresh warm mud on the ground after a spring or summer rain.
3. uneaten old chili thats been sitting in the fidge.
1."Boy that hot mudd was eating away the porcelain off the toilet.
2."Crap! I got hot mudd on my shoe!"
3."Go throw that hot mudd out to Sparky in the back."