t4i means: Thank you for the information. Usually used in forums. (in Community Dictionary, added by Nicholas Reese)
What else does t4i mean?
- This is the short version of the expression thanks for inviting. Often, the phrase is used to communicate with the hosts and/or guests after the person realizes that they were not invited to an invitation-only event. (in Community Dictionary, added by Benedicto Hidalgo)