Use 'soppy' to describe someone showing more emotions than a situation typically warrants. Don't be so soppy - it's just a commercial, not a real-life story!
Pro Tip 2/3
Colloquial Usage
'Soppy' is casual language, suitable for informal conversations, not formal writing. I got all soppy receiving her handmade gift.
Pro Tip 3/3
Gender Stereotypes
Beware of using 'soppy' in ways that reinforce gender stereotypes about emotional expression. My brother tries to act tough but he's quite soppy about his pets.