1. carried someone on one’s back and shoulders
Usage: past tense of piggyback
2. attached or added something to an existing system or process to take advantage of it
Usage: figurative use

Examples

• She piggybacked her little brother to the playground.
• Dad piggybacked me when I got tired during the hike.
• The company piggybacked their new product launch onto the existing marketing campaign.
• The researchers piggybacked their study onto the larger clinical trial.
• He piggybacked his presentation onto the end of the meeting.
• The amendment was piggybacked onto the main bill.