 The phrase "sai1 hau2 sai1 min6" (west mouths and west faces) is often used to describe women who have an impolite look.Some words that are associated with western culture such as "sai1 yan4" (Westerners) may become Cantonese jokes that base on the ambiguity of these vocabularies.Other euphemisms include "haai4" (shoes) and "haai5" (crabs).