A really fat bong rip that's so cloudy, the smoke inside the glass is yellow. If a round of yellowboys is called, everyone in the smoking rotation must take one.
Person 1: "Alright, time for yellowboys. : ^)"
Person 2: "Agh fuck."
A Facebook status in which the original poster shares a controversial article on their wall; but is too "yeller" to make any comments, expound any original thoughts, take a stand, or enter into any conversation on the topic.
Jane shared the the story, "Priests show Christ's love to little boys... and then some"
Bob: So Jane, that was a really interesting story about whether openly gay Catholic priests should be allowed to minister to elementary aged boys in public schools. Do you really think that's a good idea? As a parent and a Catholic, I have some serious misgivings about the whole idea.
Jane: ....
Bob: Profound... Thanks for sharing, you yellowbooking dummy!
12 step recovery jargon referring to someone new who talks about how great life is, now that they'resober. Usually meaning that the person is out of touch with reality.
The new guy seems pretty happy for a dude who has no job, no money and no family. He must be on a pink cloud.