Tide with Beach wrote:
Tide doesn't always come in a box, just sometimes.
...the box is the best, though.
Tide is a brand of laundry detergent. It comes in boxes, bottles and now tablets.
Tide is a poster, a "box" is a slang word for vagina. "Come" is, well you should know. So when "Tide comes in a box", it jokingly means he ejaculates his semen in a vagina.