Originally Posted by: elklanderccSeriousity would be nice ;) . [/QUOTE]
That's too much to ask 'round here... :D
[QUOTE=elklandercc]He keeps saying I will literally s*** when I see it.

Maybe it's like a year's supply of prune juice or some badass toilet seat.

Ok then, for real suggestions:
I presume you're thinking of biker related gifts, thus perhaps you could get him a nice helmet (although I realize alot of Harley riders don't use 'em). Or maybe some leather saddlebags if he doesn't have any. Otherwise maybe just go to a bike shop/store for other miscellaneous accessories.