What means sb?

What means sb? what refer to sb means? “what means What does it means? what American Dream means? what is wc means web what it means? what's means?ideadent what means is rearrange kuso?what's means 英语翻译What Chinese means / MD?what's means? A.D means what 求翻译!what means what is occupation means? means what 是什么 What the duck hand means what's this sigh :) means