Yelling out in class that another student is making "gun signs" with his hands or other objects to get the victim student kicked out of school temporarily and sent to juvenile detention while being investigated by authorities. School policies having zero tolerance and the victim has no recourse for being the victim of a "SWATing Children" attack. This is a bullying technique that became popular in schools in late 2013.
This is similar to SWATing except that the victimized child usually does not have to face a SWAT team with guns drawn.
On April 3rd, 2014 in Vernon, New Jersey a 13 year old boy Ethan Chaplin was suspended from school for twirling a pencil - another student said he was making "gun motions send him to juvie". This prompted the school to suspend Ethan and require a psych eval just to return. The student that "SWATing Children"'d Ethan did this as retaliation.
Google "He's making gun motions, send him to juvie." to find this story on the web.