I see PEW and all I can think of is...

http://icanhascheezburger.files.word...ew-pew-pew.jpg
http://icanhascheezburger.files.word...lo-dog-pew.jpg
http://icanhascheezburger.files.word...ambush-cat.jpg
http://icanhascheezburger.files.word...ews-pewing.jpg