A chafe recieved between the upper thighs and asscrack brought about by sweaty activities such as walking back and forth or working out of doors. Produces a Baboon-like rash on the buttocks.
The word that is at the end of the phrase that the background singers are singing in "Don't stop the music" by Rihanna. Listen to the song again, you'll hear it.
So that's the lyrics? "I'm a' say what's on my monkeysauce, I'm a' say what's on my monkeysau'"(abbreviated the 2nd time to fit the rhythm) I never knew that...?