skank

Concise Oxford English Dictionary © 2008 Oxford University Press:
skank /skaŋk/

▶noun

• 1 a dance performed to reggae music, characterized by rhythmically bending forward, raising the knees, and extending the hands palms-downwards.

• 2 N. Amer. informal a sleazy or unpleasant person.

▶verb

• 1 play or dance to reggae music.

• 2 informal walk or move in a sexually suggestive way.

– origin 1970s: of unknown origin.