Crossword puzzle clue "boxer shorts quantity even though it's just one"

Boxer shorts quantity, even though it's just one

"I am just __ boy, though my story's seldom told": "The Boxer"

The guy who let me pee in the Starbucks even though it had technically just closed, for example

Vessel that dildo Noah used to save all the animals and shit even though literally no one asked him to and a flood might have been good for the world

Visit to one's parents, even though you could've gone somewhere fun instead?

Piece shattered by kids playing ball in the yard, even though they were warned one hundred times

Even though

Even though, slangily