A compound of the terms 'rigid' and 'rugged' in the same way that ginormous is a compound of 'gigantic' and 'enormous'. Used increasingly in Europe to refer to footwear for outdoor activities that is hard-wearing but also technically supportive (usually referring to torsion).
'My new approach shoes are excellent. They're comfortable enough for every day wear and yet rugid enough for difficult terrain'
by Sweeter than Maxwell December 11, 2009