When a "thug" or "gangsta" street kid wears clothing made by Ralph Lauren's "Rugby" brand. A preppy thug. Thug + Rugby = Thugby.
Yo! Did you see Juelz Santana at the club last night, he was all dipped in Thugby!
by Ripmatek April 27, 2010
The ghetto version of rugby. The rules are often ignored and are the game tends to be funner than the formal game of rugby.
Yo dawg during that thugby game I got drop kicked 6 times
by c12345678910 April 17, 2011