Sibling Squabble Strategist T-Shirts

"No, I'm not here for your little sister."

'No hair or teeth, can't walk or talk -- he's kind of a starter kit.'

'I am so proud: My kids are finally fighting all the time!'

'Dewey, come look! This is so cute. The kids are playing wii hockey.'

'Don't write on that wall with crayons! It'll show up better on that wall over there.'

It's my biggest project - a database of all my sister's boyfriends.

"We tried to play nicely, but frankly it's not as much fun as tormenting each other."

The noise from the basement was probably nothing – but if it was, she was a sacrifice her older brothers were willing to make.

"Act your birth order!"

'No hair or teeth, can't walk or talk -- she's kind of a starter kit.'

'My brother got all the glory. For me it was Randolph with your nose so pink, you really make my sleigh team stink.'

'This is Kevin O'Shea, my big sister's answering service.'

What will be the worst part about your first semester of college being online classes only? My little brother will be my freshman year roommate!

'Baby sand shark eat their siblings.'

"You can't live in our basement. Your brother beat you to it."

'I suppose this puts my new bike on the back burner?'

"How many times do I have to tell you to quit going through your little brother!"

'Stop crying or Mom will think we're not having fun!'

Technically, no, dear, your brother isn't plagiarizing you. ABC. ABC.

'MOM! -- Samantha called me names in her diary!'

'Mom! - Jeffrey just said a DADDY word!!'

'Take it from someone with experience. . . you can't go throwing tantrums until you've at least tossed a few.'

'No hair or teeth, can't walk or talk -- he's kind of a starter kit.'

'No, the Patriot Act doesn't make it all right for you to read your sister's diary!'

'What...you just sold your little sister?!'

Brother and sister at the dentist

'I told my Mom either the sitter goes, or I go!'

Mom! Billy's censoring me!

"Don't worry, and don't listen to your brother! You can't really smell fear: it's just an expression..."

"Evelyn, Leslie, Marion, Tracy, and I, Carroll, want to know why our baby brother will get to be named Jeff."

'How do you figure?'

"I'm wearing new cologne. I hope Smiley is able to control herself around me today."

Little Brother for Sale, 'I don't care what he did!'

'The only reason I take him with me wherever I go, is because the thought of kissing him goodbye makes me feel sick!'

Pterodactyl Pteenagers.