Could you explain more about the word "bug"?

Rebecca

"Buggin' " is related to the slang expression "bugging out," which means to "freak out" or "go crazy" over something. The speaker has used this expression to show her feelings of panic over the unexpected problems that arose during her dinner party. Ex: I'm bugging out. Did you really see Beyonce at Starbucks? Ex: This exam has got me buggin'. I think I'm gonna fail.