strangely enough, blind people seem to enjoy these (see the movie Proof with that dude from the matrix and russel "gladiator" crowe).
also a common ice breaker. or floor cleaner. take your pick
1) ahhhhhhhhhhh saggy boobs!! (reaction to watching proof)
2) hey pretty lady ;) i like your saggy boobs
3) hey pretty lady ;) you have really dirty boobs....