A big ol' black (or white, latino, asian, etc)guy that takes his ice (that is, bling) and uses it to show off how great he thinks he is.
More often than not, it impresses everyone.
Tyrone: Yo, dawg, d'you see Antoine at da club da other night?
Jerome: Yeah, dawg. What an ice slammer! I gotta get me some o' dat bling.