SWL

SWL (countable and uncountable, plural SWLs)

1. (physics) Initialism of sound power level.
2. (medicine) Initialism of shock-wave lithotripsy.
3. (uncountable, amateur radio) Initialism of shortwave listening.
4. (countable, amateur radio) Initialism of shortwave listener.

• (shortwave listening): SWLing

SWL

1. (Internet slang, text messaging) Initialism of screaming with laughter.
   • 2008, Maureen Smith, No One But You, New York, NY: Dafina Books, →ISBN, page 109:

     “He fired back at her, blaming her for their breakup, saying she was self-absorbed and always put her own needs above his. He predicted that by the time their senior prom rolled around, she would regret letting him go. To which Claire responded: YGTBKM. SWL.” ¶ “Translation?” ¶ “'You've got to be kidding me. Screaming with laughter.'”

• LWS, WLS, WLs, WSL