Opposite of sings

• Bit of texting tact
• TY may follow it
• Polite word: Abbr
• Counterpart to thx
• Polite admonition in a text msg
• Start of a sequence ending in "thx"
• Letters from a polite texter
• "Thx" counterpart
• Polite online letters

Wiktionary Word definitions in Wiktionary
abbr. please