This can be used as "no comment" in a text conversation or as a remark to something, someone has said; emplying that their statement is a lie or ridiculous.
The frog and coffee emojis are used together when somebody is throwing shade towards another person or figure. Essentially, it is a psueudonym for the phrase tea.
It is commonly connected with the meme of Kermit the frog sipping tea, which is captioned with βminding my own businessβ or βbut thatβs none of my businessβ.
It is often used when somebody is caught being a snake.