a tube put into the eardrum (= an inside part of the ear that moves, allowing you to hear sounds) in order to help remove liquid:
Offal tube
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A slang alternative to a sausage/[banger]/[hot dog]. Due to the ability to hide cheap cuts of meat inside the skin, [offal] can be substituted for pork/beef.
Offal tube meaning & definition 1 of Offal tube.
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