Or when a person has repulsive parts (body, character...) but not enough to be unerotic/unlovable.
Fuckly person: A person who is erotic in a matter of taste to some people. (often used in a negative way but not always)
It's a result from the combination of the words fuck and ugly and was earlier often used in meaning of a sexual act (one-night-stands) at which an ugly person profits from the charity alike intends of a "prettier" person.
The act of having sexual intercourse fuck with a person who’s appearance is so repulsive ugly, fugly, that they would otherwise have no sexual relationships with anyone else. The actions is recognized as a charity event for the ugly. Origin is from the combination of the words fuck and ugly in 2007.
Do you like the manner inwhich I am fucklying you right now?
I fuckled my teacher last night.