1. To crack a huge
grin2. When something makes you so happy that it makes you smile.
3. To make someone else smile
This term originates from the word
cheesin, which means having a big smile
on your face.
1. I brought something
in my bag that's gonna cheese you up!
2. I was so
cheesed up when I got accepted to the uni of my dreams
3. Dawg
what's wrong with you? You've been frowning all day. Cheese up!