SFLR

John (Message sent 8:12pm): Hey, how are you doin?
John (Message sent 8:14pm): You there?
Bob (Message sent at 8:17pm): I'm fine, SFLR

by Immortal-Jake January 7, 2009

SFLR (Sorry for Late Reply) is a term used most commonly in texting and private/direct messaging when someone responds late to a message.

Stacey: hey jon
*15 minutes later*
Jon: o hi stacey, sflr. i was doin dishes

by yungsavage21 May 5, 2016