1 definition by The Swagington LORD
A grimsey is someone who is just Awesome. They are swag and are pretty much a lad in general. No one can be a 'Grimsey'. Like in the movie Grimsby. Grimsby is a tier two Grimsey with A grimsey being tier one. If someone is a Grimsey then they just radiate Swag
by The Swagington LORD May 9, 2016