Angle for
Definition 1 of 1
Pro Tip 1/3Indirect Approach
The phrase often implies a subtle or strategic effort instead of asking directly. 
She's been angling for an invite by complimenting the host's taste.
Pro Tip 2/3Colloquial Usage
Commonly used in casual conversations, not in formal writing. 
Mark kept angling for a hint about the surprise party.
Pro Tip 3/3Emotional Connotation
Can imply eagerness or desperation, depending on context. 
He's obviously angling for approval with his constant flattery.