A post-colonialist mindset which makes British people mistake the global spread of their language as the global acceptance of their lifestyle.
It is a consequence of ethnocentrism: (evaluation of other cultures according to preconceptions originating in the standards and customs of one's own culture).
Example: in an international working environment, during a meeting, British native speakers explain “how things work” to colleagues from other countries.
British native management person: “You should rather have answered I AM NOT SURE to our client instead of Saying no”.
Colleague: “Thank you so much for the britsplaining. The client is French and I am Turkish and we perfectly understand each other”.
When someone from another culture, usually an American, believes they know British culture better than British people because they've watched Harry Potter/Downton Abbey/Peaky Blinders/Derry Girls.
Seppo: It's 4 o'clock, shouldn't you be taking your afternoon tea?
Brit: Stop with the Britsplaining already.
The ability girls and women have developed to hold several items at once in one hand. The skill has been developed due to the lack of pockets in women's clothing.
I thought she'd need multiple trips to carry her phone, keys, wallet, and Starbucks to her car since she needed the other hand to open the door, but she used her impressive girl grip to carry everything in one hand.