Nada

Context:
Nada (Roddy Pipper) lets Frank (Keith David) know the effects of wearing "Hoffman Lenses" for extended periods of time. "Hoffman Lenses" are special sun glasses that reveal the true form of aliens disguised as humans.

Context:
Nada (Roddy Pipper) yells jokingly at a surveillance drone that's tracking him, just before taking a shotgun to the alien-controlled vehicle.

Context:
Nada (Roddy Pipper) says this after seeing a politician on TV for the first time after putting on a special pair of sun glasses that reveal the TV figure to be an alien.

Context:
Nada (Roddy Pipper) says this to his friend Frank (Keith David) soon after Frank puts on special sun glasses that reveal the true form of aliens, for the first time. He's probably referring to himself, who also recently discovered the alien conspiracy.

Context:
Nada (Roddy Pipper) says this to shocked onlookers that see the shotgun he's carrying. He's trying to explain that a woman among them is actually an alien, whose true form can only be revealed when he puts special sun glasses called "Hoffman Lenses."

Context:
Nada (Roddy Pipper) says this to his friend Frank (Keith David) soon after they both learn of an alien threat against mankind.

Context:
Nada (Roddy Pipper) jokes about an alien posing as a woman. Most people see the beast as human, unless wearing special sun glasses called "Hoffman Lenses."

Context:
Nada (Roddy Pipper) yells jokingly at a surveillance drone that's tracking him, just before taking a shotgun to the alien-controlled vehicle.