Definition is dependent upon usage. it can be dirty when placed inside of sexually related sentences or it can mean when someone tries to bring you down or is hating on you.
Brittney: You're such an ass
Kerry: Yeah you're so mean
Phil: Why's everyone tryin to salt my seahorse
or
Kerry: That's dirty. like salting my seahorse.
Kerry: Yeah you're so mean
Phil: Why's everyone tryin to salt my seahorse
or
Kerry: That's dirty. like salting my seahorse.
by Phil's so nice January 4, 2010