As properly described by the website names.org TommyInnit is the most accurate description of a child. Used to describe beings that are arrogant, obsessed with women, and like to yell a lot (bonus points if they are British)
A 16 y/o MAN (not child ) is a British minecraft YouTuber and twitch streamer well known for... well playing minecraft.
Most of his friend (mostly Dream ) say that he is an annoying child.
Tommyinnit is the persona made up by the youtuber Thomas. Tommyinnit is suppsoed to be annoying, egoistic, awkard, loud and obsessed with ladies for some reasons.
Person A: have you seen tommyinnit's latest stream?