n. 1)When any person tries to blend in with their surroundings (friends, social groups, hardcore niggas, ubahleet noob pwners) and just ends up destroying everything important and making themself look like a fool in this futile attempt.
2) An exploding lizard.
1) Jarrod: Dude, that bitch claims he is awesome at FPS's when in reality he sucks and justs ends up fucking everything up and getting us killed.
Joey: Yeah, that fag is a straight nuclear cameleon.
2) Steve: OMFG! THAT NUCLEAR CAMELEON IS GONNA EXPLODE!! BLEEEEH!