The farmer smiled as the piggy-wigs chased each other through the muddy pen.

After hearing about a local outbreak of piggy flu, the clinic filled up with worried patients.

After school, the neighborhood kids organized a piggy move up in the vacant lot, taking turns pitching and fielding.

The children gathered around the pen to watch the piggies in the middle snort and play.

The children lined up their piggybanks on the windowsill to count the coins.

Researchers used piggyBac to integrate a fluorescent marker into the fruit fly genome.

The conference organizers were frustrated when piggybackers crowded the networking session without registering.

When the hiker twisted his ankle, his quick-thinking friend became a piggybacker and carried him to the trailhead.

I propagated the piggyback plant by separating the tiny plantlets that had formed at the bases of its leaves and potting them in fresh soil.

The gardener arranged several piggyback plants along the shaded windowsill to create a layered display.