It was written by Harvey Mason, Jr., Damon Thomas, Antonio Dixon, Eric Dawkins, Steve Russell, and Durrell "Tank" Babbs for her fourth studio album, The Makings of Me (2006).

[1] "Sideline Ho" is one out of two songs on The Makings of Me Monica worked on with production team The Underdogs and singer-songwriter Tank at Doppler Studios in Atlanta, Georgia.

[3] Speaking of how the song came about, Monica stated in an interview with Billboard in August 2008, that the record was about "me being in a relationship years ago and somebody just disrespected to the fullest.

"[9] Prefix magazine writer Norman Mayers noted that the track "combines her bitchy attitude and ghetto persona with bass-heavy mid- to slow-tempo grooves to joyous effect,"[10] while Ryan Dombal of Entertainment Weekly wrote that it "scores with tough-talking venom.

A more up-tempo remix of "Sidelino Ho," co-produced by Greg Street and Carl Moe, later appeared on the singer's 2007 mixtape Monica: Made; and though a few sources confirmed that a more radio-friendly version called "Sideline Chick" had also been recorded, a so-called "Squeaky Clean version" was finally included on the song's limited CD single, released on February 5, 2007, in the United States.

[14] After weeks of minor to moderate radio support the song eventually reached number 45 on particular chart, only slightly surpassing the peak position of previous single, "A Dozen Roses (You Remind Me).