Sentence:  I've 'ad about enough of you and your <WSD>antics</WSD>. I been thinking you over, you and your war and your Empire and all the rot of it. Rot it is! […] And all for nothin'. Jest silly prancing! Jest because you've got the uniforms and flags! Then you get […] all your silly fleet smashed up to rags. And you want to go on prancin' now! Look at the mischief you done! Look at the way you smashed up New York — the people you killed, the stuff you wasted. Can't you learn? 
Meaning of the word marked with <WSD> tags:  A ludicrous gesture or act; ridiculous behaviour; caper.