Rent bear, the smaller, weaker member of the bear community. Easily corralled, and often sexually abused by the larger more masculine bears.
The term can also be used to depict human detritus, for example, "That Matt Jones, he's a right rent bear." - this example is even more poignant, as the subject in question looks like a shit bear.
When your mouth smells like feces, and you use a piece of peppermint to try and freshen it. This combination births the outcome of someone caring to respect another person, but fails horribly because now the breath attacks like a bear. R.I.P