"Cramped inside this tiny space", "May sound bad but ain't the case" - While Lincoln has to sleep in the linen closet, he's the only kid in the family who gets his own room. Reference to "Space Invader".
"In the Loud House (Loud House)" - The title of the series.
"Duck and dodge and push and shove", "That's the way we show our love" - Meaning that all of their constant fights is how they live. Lyrics from The Loud House Theme Song.
"Laundry piles stacked up high" - With 11 children, there would be too much laundry to store. Reference to "Chore and Peace".
"Hand-me-downs that make me cry" - Lincoln is often disappointed with the trinkets his older sisters pass down to him. Reference to "Hand-Me-Downer".
"Stand in line to take a pee" - There's only one bathroom in the house, and the kids have to take turns using the toilet. Reference to "Bathroom Break!!".
"Never any privacy" - The kids will always butt in on each other one way or another. Reference to "Sound of Silence".
"Chaos with 11 kids, that's the way it always is" - The chaos and insanity the Loud kids go through is simply their way of life.
"Always crowded in the halls" - When the Loud kids do their activities in the hallway, the hallways is always seen crowded
"Noise at highest decibels" - It's so noisy at the Loud House, it reaches high levels of sound level.
"We've got no more jam left in the jar" - With 11 kids, jars of food go empty fast.
"We don't know what seconds are" - Because there are so many kids, they can never get seconds. Reference to "Slice of Life".
"Vying for a place to sit", "Last one in just won't fit" - The kids each try to find the most comfortable place to sit on the couch before there's no more room left to sit down.
"What's his is hers and hers is his" - What's mine is yours.
Trivia
The second verse has some of the same lyrics from the theme song.
On the line "We've got no more jam left in the jar", the scene from "Heavy Meddle" where Lincoln opens the peanut butter jar only to find it empty has the peanut butter replaced with jam to go along with the lyric.