fishing off the bridge
Making an educated guess.
Extrapolating from previous experience and personal knowledge either to predict future events or explain events about which you have no direct knowledge.
Extrapolating from previous experience and personal knowledge either to predict future events or explain events about which you have no direct knowledge.
"Why did she ignore me just now?"
"I'm just fishing off the bridge here, but I think it's because you didn't call her last time."
"I'm just fishing off the bridge here, but I think it's because you didn't call her last time."