Top definition
when u have an significant increase in followers on twitter in a short amount of time
Person 1: Hey man, just got 28 followers on twitter in the last hour

Person 2: ah dude, thats a sweet follower bump

Person 3: i got 3 new followers in the last day on twitter

Person 1: pahahahaha

Person 2: yo, still a follower bump cos he hardly have any followers in the first place
by the kid, the one May 17, 2010
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