When you're texting someone and you both take a long time to answer and you end up leaving messages back and forth instead of engaging in steady conversation
1) Repeatedly leaving messages on someones voicemail to the point of harrassment.
2) Orally assault a person by leaving a nasty voice message.
3)When someone repeatedly leaves you voicemail messages. All day. Even though you havent returned the first call that they made.
Additional Information: Usually this happens when couples are fighting. The person who is guilty of voicemauling is impatient, must be heard now,and is often a sociopath who has an elevated and unrealistic sense of self importance and must be in control.