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1. The process of signing into online account, such as email or your profile, by giving your user name, password, and inputting a security code that is sent to your phone.

2. Replaces "logged in" when you use your phone to sign in to an online account.
Dude, I telesigned in into my Facebook account so you can't hack it anymore.
by Clouddefender December 28, 2011
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