Trickle down? Level up?
Double down? Own up?
Bring down? Build up?
Hunker down? Cheer up!
Pipe down! Speak up!
Drill down? Dig up?
Cast down? Chin up!
Take down? Set up?
Swallow down? Throw up?
Come down! Meet up!
Kneel down! Stand up!
Draw down? Pull up?
Calm down! Het up!
Write down? Check up!
Slow down? Speed up?
Track down? Follow up?
Call down? Whistle up!
Eyes down? Bring up?
Talk down? Act up?
Drag down! Heads up!
Kick down? Kiss up!
Break down? Make up?
Sit down! Shut up!