i was reading the two definitions above

just to clarify what peking duck is on a very basic level

peking duck is a wrap of duck with the best sweet sour sauce in it
you don't wanna breakfast wrap anymore if you ever try peking duck at any decent Chinese restaurant (buffets don't count)

When you spot an Asian person who may be sitting to where their ass is hanging out.

When your dick it so big, that the tip of your cock peeks out of her mouth!

When you try to have a poop and it only pops its nose out before retreating back inside.

Blowing breath into your partner's mouth during a half-open-mouthed kiss which make him or her looks like a peking duck.
1: find a partner
2: ask him/her nicely if they want to try the peking duck kiss
3: if they agree, grab their face and make sure they won't run away like a duck
4: do the normal kissing, but add a little bit air blowing and see how they like it
5: if they do, blow more
6: if they do not, blow more, if you fail, go back to step 3
7: enjoy

When taking a bath with your partner, dive under water and wrap your lips around their asshole. When they fart in your mouth, hurry up to the surface and blow it in their face.

Giving the fruitbowl to someone then pressing it on an unknowing or unwilling person.