In social networks you can find different expressions and ways of communicating, some of them are ‘lol’, ‘xD’ and other things that may seem irrelevant or without meaning. However, they have a specific interpretation. Such is the case with 7u7 and 7w7.
Meaning of 7u7 and 7w7
Some of the expressions used in networks originate from the time when emoticons did not exist. Users used characters to represent emotions.
For example, it is common to make a ‘happy face’ with a colon and a parenthesis “:)”, which refers to happiness, so there are many examples.
In the case of “7u7” and “7w7”, they do not refer to specific words, but to emojis, in which the sevens (7) are like the eyes, and the “u” and “w” to the mouth of the smilies. As for their meaning, they do not have a specific one, but the interpretation is open according to the context of the chat, comment, etc.
However, it is true that it usually falls within the realm of innuendo or flirting, but it is not always. (I)

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