When one pops up over the edge of their cubical to be nosey as to what's going on around them.

When one looks around looking for danger

The act of peeing against a wall or into a bush on a long car journey, generally in groups of 2 or more. The group resembles a mob of meerkats as they are all stood to attention, rapidly looking around to ensure that no-one sees them peeing against a wall, just as a meerkat would look for predators.

The action of looking up suddenly from your mobile phone or tablet when something good is happening on TV

Posing like a Meerkat in a public place, and then taking a picture of it. Meerkating has the same concept as planking, but you are squating and posing like a meerkat with your hands out in front of you like paws.

Standing up from your seat to get a better look at some fuss going on elsewhere in your office - especially if looking over your cubicle wall.

The act of raising oneself up in an alert manner when a potential fitty walks past / nearby to get a better view / perve