a.k.a. oof
"Savage" refers to someone who acts without restraint, often ridiculously but the term implies a bit of admiration. Someone who is online savage will often do or post what everyone else wants to do or say if they weren't scared. For example "Did you see Nick's savage tweet?"

If you want to express sympathy with a friend who is in an unfortunate situation or got hurt (for example by someone who is savage), generation z recommends "oof."
See also : DGTG  ONUD  you're good  snowflake  
NetLingo Classification: Online Jargon