(noun) pronounced: (Insta-Big)
The ability to look super muscular and lean on Instagram, but not so much in real life.
The ability to look super muscular and lean on Instagram, but not so much in real life.
"Yo, you gotta follow this guy I found on Instagram, he is HUGE!"
"No way, I've seen him at the gym, and he's nothing impressive. He's just Instabig"
"No way, I've seen him at the gym, and he's nothing impressive. He's just Instabig"
by Mrs_Swollivan June 02, 2016