The phrase "a bit of a burn" is correct and usable in written English.
It can be used to describe a mild sensation of burning, often in a humorous or metaphorical context, such as when someone makes a witty remark that stings a little.
Example: "When she pointed out my mistake in front of everyone, it felt like a bit of a burn."
Alternatives: "a slight sting" or "a minor burn".
I encouraged my esthetician to keep applying it, and must confess to a bit of a burn, baby, burn philosophy when it comes to my own skin care but I wasn't counting on the week of peeling that followed.
"I'm covered in yellow stuff and got a bit of a burn on my arm," he said.
Go until you have a bit of a burn and you are getting out of breath.
We expected the app might be a bit of a slow burn and we didn't have any budget left after the build to heavily promote it.
Salman Amin, who runs PepsiCo in Britain, admits that the company's latest product might be "a bit of a slow burn".
While that song started out as a bit of a slow burn, it soon caught fire and scorched the top 40 charts.
This week's episode of Game of Thrones, "No One," is a bit of a slow burn, but Arya Stark's adventures in Braavos deliver enough blood to the brain for the whole hour.
Isler had his first taste of the complexly flavored libation — think nearly overripe fruit with a bit of an earthy burn — while studying abroad in China as a College student; "I thought it was the worst thing ever," he says.
The teachers are all very nice especially Crummers (4) and it was a bit of a shame that the Priory burned down.
"Everyone in Paris is Burning, they were a bit of a lost soul who found solace through the ballroom scene.
While Burning Man is a bit of a phenomenon in the Bay area (having been born there), my limited knowledge of the event had me thinking it was mostly about drugs and drinking and partying, and so, not being into any of those things, I had no interest in going.
