That tinglely feeling you get in your private area when you get too excited over something that you feel like you might cum in your pants, the pre- orgasm
A phrase one would say if they would want to have a conversation with the sex they prefer. So doing this, they also would want to achieve/persuade the person to have intercourse...usually not mentioned to the target
Sam: "Dude, im really bored and wanna have a good time with some girls"