"Don't crap on the app!" was another rhyme, and the invention of little phrases such as "Twitter Virgin/Twitter Ho" was another big laugh for the audience (along with the inevitable "Oh, Ho a No-No for Co-co!" comment).
Much in the same way mini skirts and cleavage baring tops are better left for a fun Saturday evening, so too are the glitter eye pencils and bad-gal lashes; a definite no-no for the office!
When Conan complains at being called "bro" by the voice, the resulting "Oh, Bro a No-No for Co-co?" became the headline for blogs and entertainment news sites covering the segment.
Never line inside the lash line - pulling the lower lid down to apply eyeliner to the lower lash area was a staple of the 80s, but today the inside eyeliner is a definite no-no.
Some people may say that using cheat codes in a role-playing game is a bit of a no-no, because they say that you are not truly earning everything in the adventure.
While a tiny bikini may be a no-no for you, tankinis can be a great compromise between a modest swimsuit for you and a two-piece for her.
As with the feeding this must be honed early and the temptation to keep the baby awake for visitors to see is a definite no-no.
Some children have juvenile diabetes, and in this case, a gift basket filled with sugary goodies is certainly a no-no!
Napping no-no: Taking too many naps per day is a sign of problems (you are not getting enough sleep during the night.
That was obviously a no-no, because this was a famous political slogan of former Chinese Communist leader Mao Zedong.