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1. the killing floor
This is not the vietnam war as the other entry states in the "the guess who" lyrics. It is clearly a song about a jaded ex-lover, and a how he has no time for her

Killing Floor is the grounds they butcher animals on. Metaphorically it just means place of turmoil, possibly their apartment.

see: Killing Floor
"No time for a summer friend, no time for the love you send, seasons change and so did I, you need not wonder why...no time left for you.. no time for the killing floor..."
2. Killing floor
A coop game for 6 players to kill every zombie in plain sight of your gun
Friend:what are you playing
Me:killing floor
Friend:can i play
Me:sure
*Friend gets to final boss*
Friend:i just got pwned
Me:XD
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