To be entirely ignored by a friend or treated at a lower friendship level than the relationship calls for.
"I saw Wes today at Blue Baker. I told him to sit with us but he just said 'that's alright' and sat at the table right behind me. I've never been Oat Manned so hard in my life."

"Did Gilbert really just walk by us and not say anything?"
"Yeah, and he's not even looking over here now."
"Damn, we're getting Oat Manned pretty good right now."
by krh2011 April 24, 2012
Get the Oat Manned mug.