Coamitch Share definition Flag Slang for "Cold aggressive man bitch" Can also be used as "Cold angry man bitch" R: Did that guy seriously just say he does't love his sister? J: Yup. R: He's such a Coamitch! Coamitch by Eugene Eugene September 19, 2011 0 0 Get merch Get the Coamitch mug. Buy Now — $32.95 See more merch