(derogatory, ethnic slur) whitey (Caucasian)

sixty-nine (sex position)

(Buddhism) Siddhartha

(poetry) a 詞書 (kotobagaki, “explanatory note”) stating that the topic, theme, or occasion of a selected waka poem is unknown; also, the poem with the unknown topic, theme, or occasion

(history) Transylvania

Alternative form of トランシルヴァニア (Toranshiruvania, “Transylvania”)

complete denial of knowing (an incident in question)

chic

to have no way of knowing; to be completely ignorant of

ungrateful