1 definition by SecretKeeper147
By The Way I Think I'm Falling in Love With You. It's the first letter of every word in that sentence. It's a way to tell someone how you feel without actually saying it.
Girl:"Some guy said i was ugly."
Boy:"Don't listen. I think ur beautiful."
Girl:"Aw, thnx. btwitifilwy."
Boy:"Don't listen. I think ur beautiful."
Girl:"Aw, thnx. btwitifilwy."
by SecretKeeper147 May 17, 2011