An odd creature. In the form of a female, seems most reserved and reads constantly. But those arent your classic novels of fiction. Nope, this is porn dirtier than playboy magazine, the only diffrence is that its disguised with a story. This may explain why the Dum Dum aspires to become a pornstar.

A crazy dancer with obesessions about many boys/men

A sensational, scrumptious, pretty, big girl with huge boobs - a kind of ultra heavy bombshell. Sometimes/Often/Always (choose for yourself) such girls were a bit booby/dumb, so that the word dum-dum the silliness sounds too.

someone low IQ

{dumbass} A kid in my class who has no brain.

A drug that makes you retarded

A Dum-Dum is that stuffed animal that you always will keep with you until you die because you are a grown man that still lives in his parents basement that has nothing else to do in their life.