1 definition by Bappy hirthday 2U

A situation where you are happy, but you shouldn't be (inappropriate happiness)

For example, when you are at your own birthday and 9/11 happens then its a 'bappy' birthday
Tim: How was your weekend?
Jim: its was alright I suppose, but a bit bappy. Whilst, I was in shagaluf with the lads having bants, beers and baps - Fiona called me to tell me that she had been sleeping with Bill. I was devestated, but had to get back on to the sesh, so I couldn't be a downer.
by Bappy hirthday 2U September 19, 2018
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