2. a form or address for a man whose name is unknown to the speaker
3. M*A*C cosmetics--brand of makeup with five social initiative programs
5. (in rowing)Marina Aquatic Center junior rowing team
2.(random dude walks by)Heyy Mac!
3.a "mac daddy"
4.girl1:I got new eyeshadow from m.a.c!!
girl2:........and then you found 20 dollars?
5.MAC won a race in Southwest regionals!yah!
Used by the 8 year old, elderly, ignorant hipsters.