Ashleigh's love interest in the house, Luke Scrase, quizzed the Essex barmaid about continents of the world, but the 20-year-old struggled to name any beyond Asia.
"Asia, Australia, Australia! Argentinia?" guessed Ashleigh.
When Luke asked which continent they live in, she replied: "Africa? United Kingdom... f**k knows... the world."
Trying to help out, Luke suggested that she thought about the currency of the Euro, but this just confused Ashleigh further.
"What the f**k's a currency? Do you mean the tide in the river?" she puzzled.
Big Brother airs daily on Channel 5.
[Big Brother Day 19 - Photo Gallery]
Copyright: Channel 5