Messaging app for people having affairs. Used in conjunction with Words with Friends

Whatsapp lets you chat to your whore without being seen to be online.
Sharon, the homewrecking whore, uses whatsapp to chat to her 'married boyfriend.

His wife will never know
by farnham philanderer January 03, 2017
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Free messaging app that allows u to send whatever the hell u want to but for free (for a year)
Hey babe
Hey tit pic?
Yh I almost out of battery tho
Send it over WhatsApp
Hooray!
by gracks April 02, 2015
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A widely spread messaging service for both Blackberry and iPhone users that allows them to interact between each other.
Can we meet up later?
Sure, whatsapp me.
by Mathiasvdk March 24, 2011
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An application constructed for both iOS and Android platforms which was made as a free talk and text app. It was slowly turned to an app where Black Panther enthusiasts (aka your basic Nigerian parents), and IT tech helpers (aka Indian and Pakistani people) can share poorly edited or stolen videos, foreign political memes, and religious story's and context.
Person 1: Hey Raj did you see that video I sent on Whatsapp of a donkey that got shoved into a U-Haul back in India.

Person 2: Yea, It was so funny I saved it to my phone and sent it to another 60 people XD.
by ODiN-C June 06, 2018
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WhatsApp Messenger is a freeware, cross-platform messaging and Voice over IP service owned by Facebook, Inc. It allows users to send text messages and voice messages, make voice and video calls, and share images, documents, user locations, and other media.
I use WhatsApp
by PepeDaCoffinFrog October 20, 2020
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