Well, it's going to be easier if you're male than if you're female (you didn't say), but you have no business trying to trick anyone into having sex with you. Do you think other people's bodies and emotions are your playthings?
Yes; That's what gay means, you want (or have) sexual relations with someone from your own sex. You can be bisexual, but the act of male-male sex is a homosexual act. Being on the "down low" doesn't...