I'm [fuck]ing this cat, so shut up and hold its tail
The meaning of this phrase is to alert co-workers, on-lookers, passers-by, and anyone else in a group, large or small, who is in charge of a given scenario.
Bryan: Well, what if we approach this problem from a different perspective?
Debra: I'm fucking this cat, so just shut up and hold its tail!
Debra: I'm fucking this cat, so just shut up and hold its tail!