Get Ahold Of 

This is an American expression which can be used in a number of ways:
1 To obtain an item, by purchase, borrowing or other means;
2 To initiate contact or communicate with a person or persons or an organisation;
3 To understand or appreciate an idea, concept or theory;

The British use the expression get hold of in a similar way.

1 “Can you get ahold of any 2 inch 10 brass screws?”
2 “That cunt Malcolm’s gone off somewhere, I can’t get ahold of him.”
3 “His ideas are so abstruse they’re difficult to get ahold of.”

Get Ahold Of by AKACroatalin November 29, 2016

Get a hold of yourself 

Said to the one who is impatient, as a wish to the person to calm down.

- I can't wait until Santa comes!
(Bitch slap) - Get a hold of yourself! It's only September...

Get a hold of yourself by Oli_SE November 25, 2010