The act of interrupting a conversation amongst people to which one is not an intended party to, typically on a Facebook wall post. Considered extremely rude and slightly stalkery.
Kimberly (posted to Brittany's Facebook wall): I miss you! Have a great day!

Jessica (not intentionally involved): OMG I miss her too!!!

Brittany & Kimberly: UGH. Jessica is gobmawing again! No one even tagged her!
by JustCakinIt May 5, 2015
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