Blue Hawaii (cocktail) / A blue flavor used in shaved ice, sodas, and other sweets, tasting like pineapple and lemon.

bluesy

lowbrow: unrefined, uneducated

a lowbrow: a person with unrefined or uneducated tastes

Blu-ray Disc

(humorous, ironic, colloquial) brother, bro (older or younger) / (Catholicism) brother, friar

plastic bag

party horn

ostracism; a type of extra-judicial social exclusion practiced in Japan where a villager disturbing the peace of a village is shunned by the rest of them

(history) the Minister of Popular Affairs