biff vs skud

biff

• To punch or hit. 

• To discard; to throw out; to throw away. 

• To wipe out; to faceplant; to fall. 

• A sudden, sharp blow or punch. 

• A wipeout. 

• The sound of a person being punched or hit. 

skud

• To hit. 

• To speed. 

• To skim.