Words when overused:
"sucks"
"like"
"cool" - admit I use it too much and make myself cringe at times!
Expressions:
- "high-five" (also think the action is lame and why do some girls do a girly high five that is more like an in the air handshake?
)
- "with my luck" or "just my luck" (don't be so **** negative - everyone has good and bad 'luck')
- "quote / unquote" .. with gestures!
Also, can't stand 'bling.' That just grates my nerves.
there's more but that's all I've got right now.