IVS stands for itchy vagina syndrome. Some days your just itchy down there, it could be a disease or because you just haven't shaved in a few days but whatever the reason you just can't stop touching your vagina.
Acronymn for Irritable Vowel Syndrome. The excessive use of vowels when expressing amazement, anguish, fear, surprise etc.
Suffered mostly by latin language speakers, symptoms include extended uterrences along the lines of "Ay yi yi yaaaai", "Gooooooooooaaaaalll", "Aieeeeeee" etc. In the animal kingdom this affliction is most suffered by cows and is manfisted mostly by extended "moooooos".
IVS stands for Individuals for a Voluntary Society. It is a nonprofit organization founded to further the ideals that human interaction should be consensual and voluntary.
An Ivs is defined as a person who loves making shitty beats on FL studios, but he's actually a really talented songwriter. Some would define him as a hipster, but it's ok 'cause he's a STJERN'.