Incidentally, in online shorthand

• "Oh, P.S."
• "I almost forgot . . ." in texts
• Start of a texted aside
• Texter's "Oh, and ..."
• Incidentally, in IMs
• Afterthought introducer
• "Just thought of something," initally
• Texter's "Oh, just remembered ..."
• Texter's segue

Wikipedia Word definitions in Wikipedia
BTW/btw may refer to: "By the way", popularized in netspeak British Traditional Wicca , a set of Wiccan traditions originating in the New Forest region Buckfast Tonic Wine , a fortified wine licensed from Buckfast Abbey in Devon The Brotherhood of Timber ...