When you fart and its so stinky that it could kill someone. Normally used in a history class inschool esp. on WW1 or 2. Kid: Someone farted! Other Kid: That's no normal fart... its a toxic gas bomb!!!!!!!!!!!!!!!! Everyone: DIVE FOR COVER!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Kid: Someone farted!
Other Kid: That's no normal fart... its a toxic gas bomb!!!!!!!!!!!!!!!!
Everyone: DIVE FOR COVER!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!