an excuse made by pre-pubescent kids or by people not comfortable voice chatting so they don't have to voice chat
1: "hey mate, join vc!"
2: "i got no mic"
1: "sure you don't"
One of those kids who always shits around in voice chat but doesn't own/use a microphone, often to the detriment of everyone involved.
xXl33tslayer42Xx: "Bro, we lost cause mommy and daddy wont get no mic kid a headset."
(Text chat) nomic43: "it broke i frickign swear!1"