STARTING
kick something off
to start something; to start off an event.They kicked the picnic off with a footrace.We kicked off the party by singing rowdy songs.That was a great way to kick off a weekend.
lead off
to begin; to start (assuming that others will follow).We were waiting for someone to start dancing. Finally, Bob and Jane led off.The hunter led off, and the dogs followed.The first baseman will lead off as the first batter in the baseball game.
let her rip and let it roll
to go ahead and start something; let something begin. (Informal or slang. Her is usually 'er.)When Bill was ready for John to start the engine, he said, "Okay, John, let 'er rip."When Sally heard Bob say "Let 'er rip," she let the anchor drop to the bottom of the lake.Let's go, Bill. Let it roll!
rev something up
to make an idling engine run very fast, in short bursts of speed.Hey! Stop revving it up!I wish that Tom wouldn't sit out in front of our house in his car and rev up his engine.