Light Bulbing

It is universally accepted truism that being a "Light Bulb" is the Asian equivalent of being a Third Wheel.

Light Bulbing is the verb form.

Mana: "This Korean BBQ is delicious!"

Danielle: "I know! I'm so glad we came here. We come here so often we're practically a married couple...oh, I forgot David was here. You're not part of our married couple, sorry!"
David: *busy light bulbing away*