A cross between being hormonal and emotional. i.e. When you're emotional because of your hormonal state.
Your are hormotional when the tiniest smallest things make you sad and/or cry. Being hormotional usually happens when PMSing or on your period.
e.g. 1. " I'm so hormotional, i cried last night when I saw a baby in an ad!"
e.g. 2. "ahh i'm on my period! I'm so so hormotional!"