Touch off (something) touch (something) off

To cause something to fire or explode by lighting the fuse.The fire at the oil refinery touched off an explosion that destroyed many tanks.

Top-drawer

To be of the best or most important kind.When my friend buys a new car he always buys a top-drawer model.

Top dog

The most important person in an organization.My uncle is the top dog in his company.

Top banana

The person who is the boss or the top person in a group or organization.The famous actor in the movie was the top banana in the story.

Tooth and nail

Fiercely, as hard as possible.The man decided to fight tooth and nail to transfer to another department of the company.

Toot one’s own horn

To boast or praise oneself.My friend is always tooting his own horn when he thinks that he has done something well.

Too rich for (someone’s) blood

To be too expensive for someone's budget.The piano was too rich for our blood so we did not buy it.

Too much of a good thing

To be more of a good thing than is good or useful.The new company policy is too much of a good thing and they may change it.

Too many irons in the fire

To have too many things that you are trying to do.My friend has too many irons in the fire at the moment and has no time for other things.

Too good to be true

To be almost unbelievable.The offer was too good to be true and I did not believe that it was possible.