A member, participant or onlooker, sometimes called a friend or follower, in an online user's social media community. Such communities are often seen and referred to as a 'stream' of people and information flowing by. If they are frequently seen in the stream, and considered in good standing, the streamer might be additionally labeled a citizen of the stream—or "streamizen."

1. Like a hipster but their interests are all pop culture/mainstream stuff.
2. Someone who strictly follows the mainstream. A vast majority of their interest are mainstream. they pretty much only like things that are popular and don't really have a mind of their own to decide whats actually good or not.
3. Someone that likes what the pop culture tells them to like.

The line of drool from her mouth to your cock when she doesn't swallow her spit

A person who spends a lot of hours watching tv shows and movies on the internet. Generally this person prefers to stream (watch it via an internet media player) rather than download it.

From military parachutists: when the parachute fails to fill with air, it waves vertically above the jumper like the tail on a kite, or a streamer banner on an airplane advertisement. If the jumper's reserve doesn't open, it becomes a brown streamer.