Of, or like a cracker. This can be cracker in the racist or saltine sense and usually connotes a bleachedwhite, if not pearly and reflective, appearance in addition to whatever other characteristic of crackerism is being referenced.
Roshni's tan had faded under her swimsuit, leaving her now crackery bits exposed.
A racist (toward black people) white person who does crack and talk sh*t about black people being slaves.
JAYDEN:I hate all the balcks! They all deserve to be slaves. *smokes crack* *blabbers on*
ANNA: YOU'RE A CRACKERY CRACKER WHY SHOULD ANYONE LISTEN TO YOU
JAYDEN: you smell of fish, shut up.