When someone, usually a girl, feels an intense need to cuddle, kiss, or hug someone. It may also come with a desire to have their hair played with, or to simply have some sort of semi-romantic to romantic physical contact. It may also go along with feeling horngry.
Girl: Could you come over? I'm feeling really cuddlehorny today...
Boy: Oh hell yes
1.a girl who may look like an intimidating hottie on the outside but on the inside is a giggly lil kiddy full lovey doveys, usually only a boyfriend can see.
2.cute and cuddly.
"That girl seems so serious!" "No way, we've been dating for over a year now, she's the biggest cuddlemonster you'll ever meet."