This tutorial will teach you how to cut ties with a pesky contact on Snapchat by blocking them. Blocking someone on Snapchat will delete your username from his or her friend lis, revoking their ability to to search for you or send you snaps.
How To Block a Contact on Snapchat
Open Snapchat, swipe down on the camera screen and then select My Friends:
Select a contact and then tap on the cog icon displayed next to his username:
Select Block from the contextual menu options:
Tap on Yes to confirm.
How To Unblock a Contact on Snapchat
If you ever change your mind about blocking a contact, simply go to Settings, click on Accounts Actions, and select Blocked. Tap on the x button that appears next to the contact that you would like to unblock.