A wide variety of rice cakes exist in many different cultures in which rice is eaten, particularly in Asia. They originate from Korea, where their ancestors made Tteok since the bronze age.
Puto: A Filipino steamed rice cake
Mochi: Japanese cakes made from glutinous rice
Note: NOT derogatory, actually a term of attractiveness.
2)'eating ricecake' - performing oral sex on an asian
Mike, singling out the Asian, 'I'll take the ricecake.'
Person A: Do you like Vietnamese girls?
Person B: Yeah, ricecakes are hot!
Person A: What do you prefer, Latinas or Asian girls?
Person B: I'm more of a ricecake person.