Buck your ideas up
Definition 1 of 1
Pro Tip 1/3British Origin
Understand that 'buck your ideas up' is a British phrase and may not be well understood outside the UK. 
After moving to the US, she realized 'buck your ideas up' confused her American friends.
Pro Tip 2/3Motivating Change
The phrase is often used to encourage someone to change their attitude or approach to a situation. 
You're not doing enough revision; you need to buck your ideas up!
Pro Tip 3/3Informal Tone
It's informal and typically used among friends or colleagues, rather than in formal situations. 
We're going to miss our deadline. Come on, team, let's buck our ideas up!