There should definitely be a thumbs-up verb.
>thumb Pythea
>You signal Pythea the thumbs-up.

Noogie or high five would be awesome, too. I'd use them all the time. :)

Noogies can be done by giving someone a brotherly hug "hug <person> brother"....has verbage someone like a noogie.

Drives the bald people insane g

~Brady, player of many