perform oral sex on an another individual

Either to perform fellatio on a male, or cunnilingus on a female.

to perform fellatio, that is, to suck dick.
There is some debate as to whether the object of your affections, that is, the suckee, has to cum.If the sucker performs poorly, then the suckee or recipient is not going to get off

For girls performing head blowjob

For guys licking pussy

to suck a dick; to give a blow job blow job

To get a blow job.

to give head pats