WELCOME TO "HIGH" SCHOOL
SHOW ME THE MUNCHIES!
RHYME TIME
PLENTY OF TIME
ALSO A WEATHER TERM
100

It's the "HD" in HDTV (in which I look fabulous)

High definition 

100

Logically enough, brands of this snack favorite include Jiffy Pop & Pop Secret

Popcorn

100

Cozy corner where you'd keep paperbacks & hardbacks

Book Nook

100

This sport's games have no set time limit; the longest pro game was 8 hours, 25 minutes between Pawtucket & Rochester

Baseball

100

To welcome, or to order a cab

Hail

200

Common 2-word term also known as "haute couture"

High Fashion

200

Get twisted with these ancient treats made from dough that's baked, salted & usually twisted into a loose knot

Pretzels

200

A Twix or Jolly Rancher after it's been dropped on the beach

Sandy Candy

200

The theory of relativity says the existence of time depends on the presence of this, from the Latin for "room"

Space

200

Usual noun for what appears on a TV with bad reception

Snow

300

Got a haughty attitude? I'd advise you to get off this 2-word metaphorical beast

High Horse

300

It's Super Bowl time! Break out the chips & this yummy dip made from mashed avocados & cilantro

Guacamole 

300

Place designed for a small spraying striped animal to sleep

Skunk Bunk

300

The need for uniform railroad schedules prompted adoption of this national system

Time Zones

300

Trumpets, trombones & flutes are grouped as this type of instrument

Wind

400

Also known as hypertension, this condidtion affects far more African Americans on average than white Americans

High blood pressure

400

One of the two snacks mentioned in the song "Take Me Out To The Ball Game"

Peanuts or crackerjacks 

400

A weak, not in the best of health gastropod of the common garden variety

Frail Snail

400

In geological time, the Archean, Proterzoic & Phanerozoic are 3 of these verrrry long periods

Eons

400

If you're "on" one, you're in high spirits; if you're "under" one, you're in disgrace

A cloud

500

Cymbal-ically, it's the drum kit piece that fits the category

High-hat

500

Many different snacks from this brand are supposedly baked by elves in a hollow tree

Keebler

500

A sofa-bound grumbling, sulky person

Couch Grouch

500

A clock set in the year 2000 & losing 1 second a year would first be an hour off in this year

5600

500

If you "steal someone's" this, you've ruined the effect of a remark by anticipating it

Thunder