muffler
n. countable C2 Proficiency US //ˈməfɫɝ// UK //mˈʌflɐ// muf·fler
n. a slang word for a woman's vagina. It is a very crude and offensive term that people use to be rude or shocking.
n. a highly offensive and vulgar slang term for the female genitalia. Used primarily in informal, crude, or shock-value contexts; considered extremely inappropriate for professional or polite discourse.
He used a crude word like 'muffler' to insult her.
The comedian's set was filled with offensive slang, including the use of 'muffler' to describe a woman's anatomy.
While the term 'muffler' is occasionally used in specific regional dialects to refer to a car part, its application to female anatomy is strictly limited to vulgar or degrading speech.
From muffle + -er.