Everything About Fiction You Never Wanted to Know.
Eric Approves.

A webcomic by Erik Schoenek. Started in 2001, went on hiatus in 2007. You find the archive of strips up to 2004 here; a more recent site (bukucomics) was gone dead for some time, came back, and now has gone dead again. Luckily, yet another archive can be found here.

A sequel comic (set a few real-time years after hiatus) has started and has a new website here

The protagonists are three high school kids on a school in Michigan:

Not to be confused with Sexy Losers.

Tropes used in Loserz include:

Carrie: I think those boobs give her powers.