What is the meaning of Get_on?

To board or mount (something), especially a vehicle.

To cope or manage (over time); to handle a situation; to perform or make progress.

To progress (with); to move forward.

To move forward so as to approach a deadline or become late in the day.

To approach (a value, level, point in time, etc.)

To become old.

To have a good relationship; to get along.

To cope or deal (with).

To commence (an action).

To place a bet on.

Synonym of have on

To have sex; to be sexually promiscuous.

To do drugs; to get drunk; to buy drugs; to regularly use drugs.

To observe or notice.

Expresses surprise or disbelief.

Source: wiktionary.org