To the point, teenus means a tiny penis, however the combination of spelling is altered. However, it is used as a mild offence, such as poo, egghead, and bumface.
"OMG, that Lee Kersen Mascerenhas is such a teenus, he is always eating sausage".
A rapper on soundcloud who promotes the fact that who good from couch to couch. He's usually rapping about drugs or being sad but every now and then raps about murder and love.