Adj:

Definition:

An ill tempered or disagreeable person;

Difficult to handle

Example:

That broad Andrea is so cantankerous. I tried explaining to her that the penis is an organ but she wouldn’t budge.  I even brought her an anatomy book that specifically stated my point and she claimed the book was wrong.

OR:

That snake I had was very cantankerous, every time I tried to handle him he would slip out somehow and fall on the floor.