I'm gonna second that
When you're about to throw something away and someone else grabs it like it's the last piece of pizza and says 'I'm gonna second that!' like it's a big deal.
I was about to throw my pizza crust away and my friend grabbed it and said 'I'm gonna second that!' like it was a victory.
I was about to toss my last soda can and my cousin said 'I'm gonna second that!' and drank it.
I was about to throw my last burger away and my dog said 'I'm gonna second that!' and ate it.