1. n: the performance of the act of masterbating a sexual partner, usually while the person performing this act is simultaneously performing [doggy style], [anal sex], or [spooning] on the same partner as the person on top.

See also: [hand job], [jacking off]

2. n: a metaphor of def 1 describing compensation, usually derogetory.
> 1. I was [fucking] my [girlfriend] [doggy style], and gave her a reach around so we could [get off] together
> 2. I [coughed up] five thousand dollars for this [piece of shit] car and the transmission [shit the bed] the next day. The [fucker] who sold it to me didn't even give me a reach around.