The act of performing oral sex, but instead of it being to the vagina or penis, it is to the taint, otherwise known as the gooch, of the recipient. The beauty of it is it can be done to anyone by anyone!
"Man I was eating this girl out but she wanted to me to start gunching her. Apparently it feels really good, maybe next time I'll ask her to gunch me."
the act of inserting a tube into the urethra, then allowing hot sauce to flow down the tube, before ejaculating and consuming the mixture of semen and hot sauce.