Related Clues:
- Unable to get it, say
- Thick; stupid
- Packed tightly
- Impenetrable studies before end of course
- Like urban population
- One burrito shy of a combo plate
- Compact; stupid
- Like a pea-soup fog
- Difficult to get through
- Not exactly Mensa material
- Guolaugur Ottarsson: "___ Time"
- Crowd at big show
- Like thick audience
- Like crowd at big show
- Thick crowd