oblitorous
When you're so clueless during sex you can't find the most basic part of your partner. It's like you've never had a brain.
He looked at her like she had a third eye. 'Where’s the thing?'
She said, 'It's right there,' and he said, 'I'm texting my mom.'
He asked if she had a hidden clit. She said, 'No, you just didn't notice it.'