Top Definition
Shit you bring on the subway to keep you distracted from the the type of people who ride the subway. eg: Sudoku, The New Yorker, US Weekly, The Economist, handheld games.
Girl: "I forgot my entertrainment this morning and spent 30 minutes avoiding eye contact with a friend-of-a-former-friend sitting across from me."
by DTrubble March 12, 2010
2 Words related to entertrainment

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