make a second impression

To go to the toilet to specifically take a crap. It's another way to say it like "dropping the kids off at the pool". It means doing a number two.

"After eating 3 bean burritos, I really needed to make a second impression."

or

"Don't go in there, I just made a really big second impression."

Making Seconds

Alternate statement to "Making a Duce" or "Taking a No.2". Pooping.

Dude on phone: Hey... Did I just hear you flush the toilet?

Man: Ha yea, Had shrimp for dinner and i'm making seconds.