jerking the chain
Casually jerking off.
"Yo, I walked in on your lil bro with his hand down his pants.."
"No problem dude, he was just jerking the chain"
"No problem dude, he was just jerking the chain"
jerking your chain
To make fun of; to tease. From the slave days when overseers would jerk the chains of slaves
Yea, you are being paranoid. I didnt mean it - I was just jerking your chain.