This is the 13907th most frequent Polish word.
popijając
Sipping or drinking (while doing something).
The word 'popijając' here indicates the action of sipping a drink concurrently with another activity (reading).
W ogrodzie, popijając herbatę, czyta książkę.
In the garden, sipping tea, he reads a book.
The word 'popijając' in this sentence describes the simultaneous action of drinking coffee while engaging in a conversation.
Rozmawiali o ważnych sprawach, popijając kawę.
They talked about important matters while sipping coffee.
The word 'popijając' refers to the act of drinking lemonade during an ongoing activity (having fun).