This is technically not a troll, but someone who claims to be trolling when saying or posting something that is objectively offensive and consequently is called out. Whether they claim trolling or not depends on whether they are called out.
Person 1: *posts something racist about Mexico*
Person 2: That's racist, dude.
Person 3: Wooooow such racist, very bigot
Person 1: I'm just TROLLING you fucking idiots jesus know what a joke is
Person 2: More like a Schrödinger's Troll.
Someone or something that bites your ankles.
To a postman, an ankle biter is often known as a dog.
To an adult, an ankle biter may be a toddler.
To hikers, an ankle biter is sometimes a tick.
And so on.
When a man will search for hours to find something that is laying out in the open on a table. Items are often easily found by a women.
Man: "I have been searching for hours for keys."
Woman: "You mean the ones sitting there on the coffee table?"
Man: "Where?"
Woman: "Right there in the middle of that table."
Man: "oh, must have been Male Pattern Blindness"