A person who is professionally involved in spreading propaganda while working for a think tank that is funded by weapons manufacturers who literally build tanks.
I just landed a sweet job at the Australia Strategic Policy Institute (ASPI) as a junior Think Tankie!
It's what you do on weekends in Nashville for the classic & ultimate Nashville experience. Get rowdy in every country bar on Broadway, pick your favorite and close it down. Some choices consist of Robert's-for the Brazilbilly sound, Tootsie's-classic & modern country with a touch of southern rock, The Stage & Legends.
To exchange something for the exact same thing you traded, or to trade something for the same thing you offered as a trade, or to make something that ends up being the exact same as the source material.
Tinking:
To exchange a dollar for a dollar.
To make gold from gold, or buy (the same amount of gold) with the same amount of gold.