Top definition
fraternal twins: a boy and girl that are twins, or a girl and a girl or a boy and a boy that aren't identical twins
They are dizygotic twins.
by big jon155 March 25, 2006
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug