Be down on
Have negative feelings toward someone
Bear down on
Move towards
Chow down on
Eat something
Clamp down on
Restrict or try to stop something
Come down on
Criticise heavily
Crack down on
Use more authority than usual
Cut down on
Reduce
Double down on
Increase commitment to something, especially when this is risky
Get down on
Criticise
Go down on
Perform oral sex
Kip down on
Sleep on something other than a bed
Look down on
Have a low opinion of
Rain down on
Fall in large numbers
Weigh down on
Burden with responsibilities, duties, etc