Signs are actions a person does/says to subtly indicate to another that they are interested in them, be it romantically or sexually. Life is really just a question of reading the signs.
Dude #1: Man, that girl just told me she wants someone to watch Frozen with
Dude #2: It's a sign!
A term used to state a claim of dominance of a female being through the act of sexual intercourse. The term refers to the metaphoric description that the male has "signed" his name on any chosen part of that particular female's body, primarily the stomach area or lower back, with his ejaculatory fluid.
"Nah man, its all good, I already signed that shit months ago at that one party."
somtimes used on communities like myspace if you like someone you might make them a sign.
This involves taking a picture of youself holding a piece of paper with a message on it for that person for them to display on their profile.
if you write, " i love matthew" on a piece of paper and take a picture and send it to that person. this is called a sign.