La Trobe special - To punch someone in the back when they least expect it, just

To punch someone in the back when they least expect it, just for fun.

I La Trobe special my classmate during lunch. He didn't know what hit him.

She La Trobe special her teacher when she was telling a story. He got a surprise punch.

My sister La Trobe special me when I was trying to sleep. I was so mad.