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.
Kelly Dayによって 2007年10月21日(日)

Words related to Big Little Brother

big brother irony little sibling