"Shitting" Natural Recordings by Native Speakers
The term "shitting" is an informal verb that refers to the act of defecation, i.e., the act of passing feces from the body, usually through the anus.
In a broader sense, it can also refer to the production or act of moving something, such as a substance, away, like in "shitting out a turd" which is a metaphorical expression referring to expressing or getting something out of you (like a strong emotion or an idea).