"hot song" is correct and usable in written English.
You can use it when you're talking about a song that is especially popular or well-loved. For example, "Last night I heard a really hot song playing at the club."
"Def Jam needed to have promotion of her album, and CoverGirl wanted the product to be associated with the hot song.
For all the buzz about her televised missteps, Ms. Spears appears to be on solid footing in one sense: she has a hot song.
Kanye West Someone can have a hot song and you put it on your iPod, but "Graduation" (Roc-a-Fella/Island Def Jam) is a solid body of work from beginning to finish.
In the 2001 track "Stillmatic (Freestyle)," Nas rapped, "You show off, I count dough off when you sample my voice," and Jay-Z answered in his track "Takeover" from The Blueprint, saying, "You made it a hot line, I made it a hot song".
Also, I wanna know how a rapper/drug dealer with no plug or supplies who's making no money off his one hot song is paying for a new phone.
You could practice strutting like you mean it by listening to your iPod or mp3 player, or other musical device, put a hot song on and walk to the beat!
The two hot songs of that summer on the Cazeaux jukebox were Whiter Shade Of Pale by Procol Harum and These Boots Were Made For Walkin' by Nancy Sinatra.
The company scours the charts for hot songs and then records instrumental adaptations of them.
"She thinks I should be down there turning out hot songs in the factory".
"But I'm on all the hot songs that's out.
When I was a kid, I would go see movies, and it would have hot songs in it.
