put the cherry on (something)
v. phr.— «Regardless, as they say in Texas, Oprah put the cherry on the Sunday.» —“She Speaks Well Of Humanity” by Liz Smith New York Post (New York City) May 22, 2007. (source: Double-Tongued Dictionary)
Further reading
We asked for your thoughts about whether cursive writing should be taught in schools — and many of you replied with a resounding “Yes!” You said cursive helps develop fine motor skills, improves mental focus, and lets you read old...
Advice about college essays from the winner of a top prize for children’s literature: Kelly Barnhill encourages teens to write about experiences that are uniquely their own, from a point of view that is theirs and no one else’s. Plus...