1. The woman who gave birth to you and/or raised you.
2. An all-purpose insult, used to end a conversation, cover for the fact that you can't think of a witty comeback, or pwn
somebody. When used in this sense, the implication is that your mom is sexually promiscuous, of below-average intelligence, grossly overweight, or any combination thereof. Does not necessarily have to make a lot of sense, e.g. 'Your mom goes to college!'
3. A ho