Suck it and see
Definition 1 of 1
Pro Tip 1/3British Origin
The phrase is commonly used in the UK, so it might confuse English speakers from other countries. 
When I mentioned 'suck it and see' to my American friend, they were puzzled at first.
Pro Tip 2/3Casual Use
It is informal, often used among friends or in casual settings, not in formal contexts. 
Shall we go to the new cafe for lunch? Let's suck it and see if we like it.
Pro Tip 3/3Not Literal
It does not mean to literally 'suck'. It's a metaphor for trying something out. 
These instructions are complex, but just suck it and see if you can build the model.