Ambilvalent or Guarded Bumper Stickers

This is somewhere between the nonsense of SomeEcards.com and the subtle humor of PartiallyClips.com

Wendell, as an Elvis Costello fan who is frequently disgusted, I love your last one.

Saw this one - hand-made, I think:

Caution - I Drive Like You Do.

"I'd like to see a copy of your Honor Student's Permanent Record, just to be sure"

“My Grown Kid Was An Honor Student And Still Makes Less Than I Did At The Same Age”

(borrowed from the late George Carlin) “If you don’t pray in my school, I won’t think in your church”

"I used to be disgusted, but I tried to be amused, and it didn't work and I'm still disgusted"

The link has some good ones. My bike has
"TAG!! You are (H)IT"

was planning to change it since a long time..