After many years of being a Grass Head, one will shun their friends and family to marry their lawn. A form of insanity that few ever possess. It is a cureable disease that controls your mind and heart.
Mr. Smite is now married to his lawn. Some say he's just a wack job. But we all know he has Grass Brain. Poor guy...
by Spirit Girl September 8, 2010
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Get the nut brain mug.When you’re in a mental state of horniness and you can’t think straight. Usually the stage before post nut clarity.
Sarah: *out of breath* Did you say you loved me?!?
Bobby: *also out of breath* Oh shit my bad I had cum brain. Sorry I wasn’t thinking straight.
Bobby: *also out of breath* Oh shit my bad I had cum brain. Sorry I wasn’t thinking straight.
by iamanthonydean January 15, 2021
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Get the brain one mug.Jim: bro I was about to finish in my girl and she wanted me to pull out but orgasm brain kicked in and I was like "fuck no bitch" so I'm single now and in 9 months I'm bout to have a chat with Maury.......
by Lookinstuup August 13, 2016
Get the Orgasm brain mug.The secondary brain that all men have that controls their sexual urges. It often overrides the primary brain.
by Tyronius Nomis December 20, 2010
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