feel your oats
feel (one's) oats
1. To be very active and energetic. The dog must be feeling his oats, considering how he's running around the yard today.
2. To be aware of one's own power or importance. If you sassed the boss like that, you must be feeling your oats!
feel your oatsAMERICAN, INFORMAL
If you feel your oats, you are full of energy and excitement. This success has Ralph Raina, one of the area's most prominent businessmen, feeling his oats. Murphy is feeling his oats as a budding movie star.
feel your oatsfeel lively and buoyant. US informal
Oats are used as feed for horses, making them friskier and more energetic.