They 'went toe-to-toe' [=competed against each other in a very exciting way] for 18 holes of golf.
They were covered 'from top to toe' [=(more commonly) 'from head to toe'] in mud.
The boss made regular inspections in order 'to keep' employees 'on their toes'.
(..) You jump off a bridge. Leap out a window. You just make up your mind to do it and you do it. MESSINGER: You wake up all smelly, and aching from head to toe... and hungrier than you've ever been... only you have no idea what hunger is or any of that stuff... so it's all real confusing (..)1998 City of Angels