Mac Lane Drive By - You creep up on someone or somewhere, drop your pants, wave

You creep up on someone or somewhere, drop your pants, wave your junk in their face, and rub one out. You might come back later to do it again.

I did a Mac Lane Drive By at the library and scared the librarian half to death.

I drove by my neighbor’s house and gave him a surprise he didn’t ask for.

I did a Mac Lane Drive By at the park and made a kid run away.