i love pranks...you could upperdeck there toilet. you could shit on there windshield. you could put b.b.s for a bb gun put one in each valve stem under the cap and screw cap back on..it will slowly let all the air out.have a girl call there parents and tell the parents she has aids,and slept with their son. go get some canned fish open and hide under seat, or hide dried fish all over their house. put mayo in a rubber and put in sandwhich, give to your friends.or just nut in it..if your a badass, crawl under there car loosen the oil plug.....i got lots more:thumbsup: