Top definition

When a person's social network site status or conversation is followed up with a comment made by a friend about the friends pet or pets, when it has nothing to do with the conversation. The pet owner wants to steal the conversation to talk about their favorite topic, their pets.
Typical petjacking:

Person "I went to an awesome concert last night"

Petjacker "I feel guilty going anywhere after work because my dog misses me so much when I'm gone"
by King Penz March 08, 2011
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