slop shoot

noun2

1. •
   (US, slang) A drinking establishment for US Marines.

   • Meet me at the slopshoot On the old Wangpoo Bring along your dipnet There's enough for two. We'll have mashed potatoes And some Navy stew Meet me at the slopshoot — 1955
2. •
   (no longer used) A waste disposal shoot.

   • “Mac can drink a whole battalion under a mess hall slop shoot.” … “Get off it, you chickenfucker! Show that hairy ass you call a face or I'll open the slop-shoot and drop in that fucking lipstick! …” — 1975