snapto
- Become suddenly attentive
- Awaken suddenly
- Suddenly stand at attention
- Suddenly hear your alarm, maybe
- Suddenly awaken
- Stop thumb-twiddling
- Sit up suddenly
- Return suddently to awareness
- React when the brass walks in
- React when the boss appears
- Pay attention suddenly
- Come out of a daydream
- Begin paying attention
- Become swiftly attentive
- Become attentive ASAP
- Acknowledge the brass
- ___ attention (suddenly quit zoning)
- __ attention (become alert)
- Suddenly regain attention
- Stop daydreaming
- Become suddenly aware
- Shape up
- Come to life
- Wake with a start
- Regain consciousness suddenly
- Acknowledge a commander's entrance, maybe
- Become attentive suddenly
- Suddenly become alert
- Awake suddenly
- Command at West Point
- Become sharply attentive
- Suddenly focus
- Stand at attention
- Acknowledge the general's entrance
- Suddenly become attentive