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!
by annonymous OG March 12, 2010
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Tuna is unavailable within 50 miles of Newcastle, however there is a delicious alternative with a similar name:

"Tunny"

Tunny is often purchased in the "smartprice" or "value" variety by Geordies who love it for the following reasons:

1. It's cheap.
2. It’s fishy.
Aye G, wanna Tunny sandwich?

Aye, clas.
by Tim Westwood April 15, 2005
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much like funny except terribly funny.. tunnie.. only funny when your high cheese helmet, see cheese helmet for more grusome details
were funny were tunny were guna make ya laugh ya ya ya
by brittney December 18, 2004
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A Tunny is a male or female (whatever they feel like being that morning) that is a natural ginger with cute freckles. Tunnies are usually artists, bronies, and demon possums. Tunnies are a rare breed, and usually only reside in New Mexico, but are also spotted quite frequently on Tumblr.
Boy: Hey, did you see that Tunny girl the other day?
Girl: You mean that Tunny boy?
Both: They're just so androgynous, I can't tell!
by EccentricPaw August 27, 2011
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