A sarcastic reply to someone's pointless, obvious statement. Can be said with varying degrees of snark or nastiness, depending on situation
Origin uncertain. May come from the 'helpful tips' supplied by computer programs and similar.
Lucy walks in out of the rain, soaked to the skin.
Dennis: Wow, you're soaking wet!
Lucy: Thanks tips! I hadn't noticed even though my hair is dripping all over your floor!