Top Definition
someone who is homeless, has bad taste, or someone who you don't want to talk to/dislike. Also a general insult and can be used with regards to objects aswell.
1."how about we go over there with him?"

"nah mate, he's treggy!"

2. "Son, dont do that, its treggy!"

3. "Haha, check that absolute treggy over there!"
by bas2k9 September 15, 2009

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