In a sentence
When Miss Naomi bumped into Samuel at the supermarket, she exclaimed "What a small world!"
used to express surprise at meeting an acquaintance or discovering a personal connection
Feeling over the moon
Feeling so happy!
Samuel felt on top of the world after summer let out.
Feeling very happy
Paradise on earth
Somewhere awesome!
Miss Ann told Samuel to come back down to Earth after Samuel was daydreaming in class.
Focus!
screaming at the top of your lungs
Screaming very loudly
A sleep will do you the world of good.
To have a very positive effect on someone or something.
spacing out
daydreaming
Samuel had a big grin painted on his face.
He had a big smile on his face.
space cadet
out of touch with reality