1. To move threateningly or menacingly around a social atmosphere in search of a ladyfriend.
2. To pursue a female by tracking stealthily. (usually on Facebook)
3. To follow or observe (a female) persistently, especially out of obsession. Usually resulting in a high five.
4. The corner a female, chat intimidatingly with and get a bit rapey.
Did you tunni that girl last night?
I was tunniing that girl with the big shwaps in spoons.
Your such a tunni!