1) Quid Pro Quo. A
pun, or play on
words of the phrase "Tit for
Tat".
An exchange, trade, barter or agreement, where favors, or other like-valued things, ideas or services are exchanged for one another.
2) A retrospective bowl movement.
"Wow
Bob, you get sexual favors, AND breakfast from this
girl? All for fixing her malware-ridden computer?"
"Absolutely
Tim, it's all shit for shat, after all."