in-house entertainer 

Someone who prefers home entertainment more than doing the trouble of going outside to crowded events or noisy places for enjoyment.

Sally: "So how was your date with John? I heard you were going to watch the football game Friday night."

Mia: "Ah, we actually decided to stay at his place... John is more of a in-house entertainer."

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Jack: "Hey Pete, we're going to the theme park on Saturday, wanna join us?"

Pete: "No thanks"

Jack: "Oh come on, don't tell me your one of those in-house entertainers..."

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in-house entertainer by ZenoDiac June 2, 2010