1. (phrase) A phrase used when tension gathers up inside of somebody and they have a dire need to excrete.
2. (noun) The fecal of a female dog. The phrase is generally used when the fecal has a large size
1. (phrase) Man/woman is packing his/her bag for work next day at 2 Am and has a need to excrete and says, "Bitchshit!" quite randomly.
2. (noun) "Wow, that's some bitchshit!" says man pointing at a large pile of excreted fecal.