You have become his sparring partner, or maybe I should say your boot has. You need to take him off of his feet which totally unsettles him. No feet, no leverage, no confidence because he's lost all leverage and balance.
Here's the thread we usually reference in these cases, "Thanks Rooster-Red!"
https://www.backyardchickens.com/web/viewblog.php?id=2588-Roo_behavior I have used parts of this advice before having ever read it, getting them by the ankles and holding them upside down is sort of terrifying to them, but better scared now then stewed later if you want to keep him around.
I've always gotten a hand on their neck/shoulders and pushed them down flat (sort of flat) so they have to squat like a hen... I'd say it embarrasses their macho-selves, but chickens don't have human emotions, so embarrassing isn't the right word. What they do have is a 'pecking order' though and he's on the bottom of the rooster pecking order, and he's trying to convince you that hes more dominant than you are. If you cant convince him otherwise, yeah, theres some good recipes here and he might be young enough to taste half decent! After he conquers you, hell move on to other targets so nip this in the bud is my advice.
[edit] hehe,,, not sure about kissing him, ugh feathers!!! but holding him up and petting him a lot is unsettling to him and also shows you aren't dangerous. heheh,,, that's cute! *ptoooeeee! feathers!* [edit again] Sorry Chickenaddict! not trying to be mean! I know what you mean. hehe just *ptoooeeee! feathers!*