look up anything, like your first name:
1. greevy
Some one who sleeps with there best friends or relative, and not tell anyone
I fuck, i just did a greevy!!!
(looking at my sister in shock!)

shit man, i just caught ravi's dad doing a greevy!
2. greevy
fat, rugby playing, irish chap that sleeps with a best friend or one of his blood relatives
shit man, i just caught ravi's dad doing a greevy!
rss and gcal