To severely disrupt the well-being of (a person); ruin.
To sing a song poorly.
To put down or euthanize.
To remove data.
To exhaust duly and thus recreate or build up.
To penetrate sexually in an aggressive way.
To damage beyond use or repair.
To defeat soundly.
To neutralize, undo a property or condition.
To weaken someone's morale over a long period.
To make something hard smaller and smoother by gradually rubbing off tiny bits, to wear down.