(1). To blame something completely on a colleague that you probably had as much to do with as he did.
“Paul totally threw me under the bus on that call this morning! He was the one who forgot to order more K-Cups, not me! And what the hell are we having a call about K-Cups for anyway!”
(1). In finance, a term used to describe non-financial client services (e.g. Advising on family matters, concierge services, etc.) most of which are provided generally without compensation.