Grownass

noun' - (pronounced groan-ass). Emphatic term related to age and wisdom. Short for, "fuck off, I'm over 40 and I know what I'm doing"
Susan: Hey Erin, I'm not insecure, or crazy or jealous of you. I just care and want you to know my ex is psycho. This is my 17th attempt to reach you.
Erin: I'm a grownass woman, and I know what you're up to.
jealousbitchhaters
by littlebrowngirl April 10, 2015
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