1. Small comments that attempt to put down anything (includes movies, cultures, people) and ruin the thing for everyone. Usually acompanied by a small grunt or shake of head.
2. Comments that are stated when a person dislikes what they are currently participating in. Said person will complain and whine until they either ride away on their bicycle (or walk.)
see joey o'malley
"UHHH, this movie sucks"
"Oh, that would never happen in real life"
"Wow, why did we take the freeway"
"Wow, why did we take the side-streets"
"Wow, why did we drive."
"Wow, why did we take the bus."