What is the meaning of Get_on?

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

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

To progress (with).

To become late.

To become old.

To have a good relationship; to get along.

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