Used more in casual conversation than in formal writing or professional environments. I'm not going to that restaurant again, the last time their service was absolutely bonkers!
Pro Tip 2/3
Intensity
Expresses a high level of madness or craziness, often in a humorous way. The game last night was bonkers; I've never seen anything like it!
Pro Tip 3/3
Emotional Connotation
Can convey frustration, annoyance, or amazement when describing a situation or person. The traffic today was bonkers, it took me two hours to get home.