When someone has been holding in their uneducated opinion about a topic of conversation then feels that their mouth must explode with verbal diarrhea.
Donald shared his take on the current affairs of the world . He was completely clueless. The bullshit spewed from the open sewer in his face once he Loosened his Vowels!!!
Phrase borrowed (more or less) from TV's "Wheel of Fortune", indicatingdisrespect for someone's mental abilities. Since generally the contestants on Wheel aren't exactly Einstein, telling someone to buy a fucking vowel is about equivalent to "Get a clue, moron!"
You think the War on Drugs is working? Buy a fucking vowel!
President Bush wants to help the middle class, eh? Maybe he should buy a fucking vowel with his family fortune.
I went to the Bears game this weekend wearing my cheesehead, and the fans there were buy-a-vowel drunk. I couldn't even comprehend their pathetic excuses for insults.
PERSON A: "I have a friend who has a friend who's friend has a friend that has a friend that knows somebody who knows a guy who knows a girl who's girlfriend has a boyfriend who went to a really bad doctor who's doctor's doctor's doctor's doctor ate a BigMac and flatulated on top of his flatulence until he fainted"
PERSON B: "Can I buy a vowel?"
When you're reading someone's endless ramblings, and it makes no sense whatsoever. It's riddled with grammatical and spelling mistakes, and is likely to make your eyes bleed.
You just want to say 'buy a fucking vowel man!!'