When you're doing anal with your girl and she has diarrhea but you keep pounding on it making slapping noises and its splashingin your face but it's dark and you just think it's more wet ... you sir have been chillidoggin
dude- "i was doing amber in the ass last night man"
dude #2- "thats sick man! how was it?"
dude- "it was good just a little messy afterwards"
dude #2- "ahh you chilidoggin son of a bitch!"