a kid (usually male) who is small, kinda cute but not really, and can be annoying.
Squirts usually distinguish themselves by trying to be an upper class man when they are a freshman. although squirts are annoying and small like gremlins, they are still needed in society.
ryan: wow did you see that squirt today, he was all up and crazy.
joe: yeah he is very annoying whay does he try to hang with us?
ryan: I dont know, but i feel like he needs to annoy us, like my aunt jane!
joe: i hate your aunt, but you sill gotta love her, like squirt!