Have a headline which goes with your profile and sums up its gist in a sentence or two.
This way, your chances of networking will also become bleak.
The whole idea of having a catchy headline is to seek attention and get users clicking in. With something like 'Looking for sex', you make yourself seem like a sex-crazed lunatic.
Avoid making cryptic references, as it only leads to confusion, and the purpose gets lost in translation.
to be a part of the dating sites, is like selling yourself. The rule is AIDA = Awareness, Interest, Desire and Actions. The main characteristic of the aforementioned sample dating headlines, is simplicity.