The name for a bunk shrouded by sheets in a deployed desert location in Southeast Asia. Affectionately given its name for the amount of privacy afforded to rub one out.
Teague just got off the line. Expect him to bunk out in his spank tank for the rest of the evening.
Noun: (1)a military vehicle(LAV) used for the express purpose of nasturbation typically found in deployed settings to boost the morale of male soldiers, never cleaned...think about it....possesses distinct functified smell
" Pollie Bear is the quickest person in the Spank Tank."
"Fernie never goes to the Spank Tank he only uses his wack shack, he's high class."
"The Spank Tank is for public use, but a wack shack is for private enjoyment."