get off the mark

black mark

Something that negatively affects someone's reputation.

can't get enough

Greatly enjoys; likes a lot.

could not get elected dogcatcher

Said of someone, particularly a politician, who is extremely unpopular.

don't get someone started

Used to attempt to avoid or abbreviate a discussion that speaker or hearer may wish to avoid.

easy mark

Someone who is easily fooled or victimized.

five will get you ten

I strongly believe.

get a charge out of

To derive excitement, entertainment, or pleasure from.

get a clue

To become aware of the obvious reality of a situation, often used as a command to indicate frustration