(generally used as a rhetorical phrase ;

variants: when tuan arrives, when tuan comes ; related: until tuan gets here, until tuan arrives, until tuan comes, if tuan gets here, if tuan arrives, if tuan comes)

1: a rhetorical phrase used to refer to a time that will, for all practical purposes, never come - esp. in relation to an event or action

2: a rhetorical phrase meant to convey the impossibility of an event or action.

3: a rhetorical phrase used to indicate that an event or action will occur a very long time from now

4: a rhetorical phrase used to indicate that an event or action is unlikely to occur
1. According to quantum mechanics, it is impossible to know or determine the absolute position of an object. Position in quantum mechanics is not deterministic, but rather probabilistic. Thus, we can consider the position of an object at a particular time as a probability distribution wherein each conceivable position in space is assigned the likelihood of the object being there. Though quantum mechanics is typically confined to the subatomic realm, its scope can be generalized to the macroscopic world in which we live. Indeed, where we are at a particular time is not some absolute, monolithic thing, but a hazy smudge in space. With some infinitesimal probability you are (or could be) simultaneously in the next room, in the attic, even in the bed of the pretty woman next door. But, alas, in this big, clumsy macroscopic world we live in these probabilities are inconceivably small. So, unless you're really, really, really lucky, you will have to wait until, I don't know, when tuan gets here to magically find yourself snug in the bed of the girl next door.

2. I will have sex with Victoria Secret model Alessandra Ambrosio when tuan gets here.

3. This proton will decay when tuan gets here.

4. The Middle East will cease to be a burden to Western industrialized nations when tuan gets here.
by atlasfugged July 5, 2007
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(variants: When is tuan arriving? When is tuan coming?

Generally, used as a rhetorical question in colloquial parlance. However, some philosophers have argued that because one can never be certain of the moment or range of time during which tuan will arrive, the question becomes unanswerable. In this sense, the expression is often considered a paradox since, as some philosophers claim, all questions have at least one answer.)

1: a rhetorical question used to convey puzzlement or confusion.

2: a rhetorical question used to express one's belief that the question being asked or the subject matter being contemplated is hopelessly unanswerable.

3: ("Randian" usage) a rhetorical question - used similarly to the query "Who is John Galt?" found throughout "Atlas Shrugged" - meant to be interpreted as meaning: why ask questions that have no answers or where the answers are not readily obtainable?
1: Engineer 1: "Why won't the doohicky fit into the whatchamacallit?" Engineer 2: "When is tuan getting here?"

2: Poli-Sci Major: "Why did we invade Iraq anyway?" Hippie Roommate: "When is tuan getting here?"

3: "When is tuan getting here?" The light was ebbing, and Eddie Willers could not distinguish the bum's face. The bum had said it simply, without expression. But from the sunset far at the end of the street, yellow glints caught his eyes, and the eyes looked straight at Eddie Willers, mocking and still - as if the question had been addressed to the causeless uneasiness within him. -- Atlas Shrugged, Ayn Rand
by atlasfugged July 5, 2007
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Love being blindfolded in bed and while doing his card tricks. Always take others' opinions personally. To Tuan, he is the best.
Have you seen Truong Cong Tuan on Bo Ho? Yeah, he sucks!
by Truong Cong Tuan November 24, 2021
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Tuans just have ADHD
by Tuan101 October 12, 2020
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Tuan is someone who has a small penis and loves to play Pokemon. He likes to collect toys for sexual reason.
Oh you are such a Tuan
by Tuanlepedo1997 November 22, 2021
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A very sexy man that slept with your mom and had sex with your mommy and is sexy
Hi I’m Tuan i slept with your mom
by October 8, 2021
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To make up complete bullshit to shield one's self from being accountable for their own action.
by OniArale April 6, 2023
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