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1.
To follow someone with the intent of making them like you, the usual result being that the center of your affection becomes annoyed with you. Best described as "When you become so obsessed with someone that you cock-block yourself".
Amanda agrees with everything Mike says because she's chudging on him.
by Jonathan Wier May 12, 2008
 
2.
When a guy or girl follows a perspective mate around for more than 2 hours, and the mate still shows no interest in them.
Mike was chudging Cindy at the party all night and nobody else could talk to her.
by K-Bobs May 02, 2010