Top Definition
A large quantity of something in one place. The term is derived from the Halflife third party mod "Natural Selection," in which a large quantity of players would attempt to pick the "Marine" team (as opposed to alien). Because the selection process involved physically walking through a portal, the players struggling to be marines would jump and crouch at the entrance, causing what appeared to be a stack of marines.
When I bought Counterstrike: Source, it wasn't DVD format so I ended up with a marine stack of CD's.
by Butato May 18, 2009
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