a heated device where you put your hair in between to hot plates and it makes them straight. the people using them either want to have straight hair, or look like asians.
When a homosexual or bisexual person alters the appearance of his or her domecile in order to hide from view any objects that could be construed as "gay." This is done in anticipation of the arrival of guests who are unaware of or uncomfortable with the individual's sexual orientation.
Oh, man, I need to straighten up before my parents get here. Jim, can you hold onto my gay porn until they leave?
Girls can say this phrase when a cute boy is around and they want to tell their friends discretely. It is just another way to say a guy is hot or cute.