The Cockroach killer is an item in Kick the Buddy,located in the objects page and costing 49 bucks.

When selected,the player can use up to 3 cans of cockroach killer at once.When sprayed on Buddy,his colors start to saturate to a dark green color.Then eventually,Buddy will start his crying animations,and a while later,begin to vomit.After the vomit part of the cockroach killer is finished,the player needs to recycle everything to start the cycle again.Otherwise,nothing would happen.

Screenshot 2019-01-03 at 10.56.35 PM
Screenshot 2019-01-03 at 10.55.43 PM