Definitions by Zeeepeee

mandomly 

When a man decides something is true despite having no evidence or support; man-random.

Me: Why does Sam think he's Swedish? His last name is French.
You: I think he mandomly decided that. His mom corrected him immediately after he said it, but he's been telling me that he's Swedish for years.

mandomly by Zeeepeee July 12, 2017