Description of somebody, usually in their late adolescence, who looks significantly younger than their actual age, and in turn, upon suspicion of being underage, will be checked for ID for (jokingly) the rest of their lives.
Dave: You're telling me that kid is in grade 12? Or did you say that he is 12? It sure looks so.
Michael: Yea, he'll be carded for life.
Describing someone who is too young and feeble to be of any use to society, and instead is a burden. Can also describe the selloutchildren who are undercover cops who try to nail stores for selling cigarettes to them. Implies that the person in question is so young and infantile that they aren't even old enough to buy a pacifier to suck on.
Yooou watch Yu-gi-oh?! You probably get carded for buying a pacifier!
The little boy who came to the SuperFresh to try and buy a pack of Camels is so young, he should be carded for buying a pacifier.
Little Johnny drops a duece in his parents bed, and would be carded for buying a pacifier.
When you try to do self-checkout, but then they say this item "needs assistance" and they come over and check your i.d. and you're just thinking "Are you kidding me? I just have a fucking cold/flu!"
In order to obtain the Nyquil to treat my flu symptoms, I had to go through the public humiliation of being Nyquil carded, which held up the line and made me feel like an idiot.
Being sent outside from a bar or club by bouncers, to cool down for a few minutes. similar to recieving a Yellow card in Rugby where a player has to sit in the sin bin for 10minutes.
Ben totally got yellow carded last night at nubar, he satoutside for half an hour.