I need to study - When you say you need to study, but you're really just prete

When you say you need to study, but you're really just pretending to be smart so people don't make fun of you.

'I need to study', said by a kid who got a D and now thinks he's Einstein.

'I need to study', said by someone who failed the test and still thinks they're gonna pass.

'I need to study', said by a kid who's just going to play video games anyway.