SIlly me I assumed Patrick was right in the quicklook was right about the hugging in return to dreamland.  But uh this entry on wikia is really pretty gross if true. 

http://kirby.wikia.com/wiki/Kirby%27s_Return_to_Dream_Land 

Food sharing by mouth-to-mouth food transfer has returned, and works the same as in Kirby Super Star, but now up to four players can share the same food