This is the 7171st most frequent Russian word.
видеоолег
The word "видеоолег" does not exist in standard Russian; it seems like a made-up or misspelled term.
Here, 'Видеоолег' is used as the username or nickname of a person specializing in video content.
Видеоолег записал новый обучающий ролик по математике.
VideoOleg recorded a new educational video about mathematics.
In this sentence, 'Видеоолег' refers to the name of a video channel owned by the person with the username.
На канале Видеоолега всегда можно найти интересные видео по физике.
On VideoOleg's channel, you can always find interesting videos about physics.
This usage implies 'Видеоолег' as the pseudonym or professional title of an expert in video creation.