a series of sounds or gasps that a woman or a man make while having intensive sex, or an orgasem.
guy: last night i did it with a women that made such ylleras!
other guy: really? OMG
guy: i normally don't do it more than once with a girl but it was so good i think i should call her, maybe she liked it and is willing to do it again!
other guy: try if it dosen't work give me her number!