Top Definition
When a younger brother is bigger or around the same size as the older brother. sometimes the younger brother will have a very low,sometimes lower voice then the older brother which is rather comical.
My Brother's friends were horrified when I was introduced as his "little brother"

"More like my Big Little Brother" He corrected.
#big #little #brother #sibling #irony
by Kelly Day October 21, 2007
5 Words related to Big Little Brother
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×