when a guy sees something he finds sexually stimulating and makes his penis become hard and he wants to fuck whatever it is

Referring to women who are sexually or romantically attracted to other women. Applies to both lesbians and bisexual women, as it is only the same-sex attraction that matters, not any other attractions the women may have.

Originates from the Greek poet Sappho, a bisexual woman from the Isle of Lesbos, from which we get the term lesbian.

You penis's version of a thumbs up.

A boner is a long, pointy joystick that guys can get while feeling aroused.

Something you get in class. Fucking annoying.
Fixed by going to bathroom and wanking off, or flipping around between the pants and stomach.

when the blood from your brain goes to your penis when you see a hot girl.

What occurs when blood rushes to the penis, causing it to stick up. it is also possibly the worst thing to get before a school presentation.