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1.
a reciprocation of thanks. thanking the thanker, for the thank just received.

also known as "Thanking the thank".
Hey, thanks for all of your help with the yard work!

--Reply--
No no no, thank you.. ;)

One may thank the thank for ulterior purposes..
An innocent, yet bold move in the world of MILFs and MILF Hunting. A polite power move to promote intimacy and hidden agendas.
by MrStealUrGirlGC August 31, 2011