楼上

Traditional form:

樓上

Pinyin (reading):

lóushàng

Definitions:

• upstairs
• (Internet slang) previous poster in a forum thread

Characters:

• 楼 - multi-story building; floor
• 上 - above, on top, superior; to go up; to attend; previous

Traditional characters:

• 樓 - multi-story building; floor
• 上 - above, on top, superior; to go up; to attend; previous