tomfoolery means

tom·fool·er·y  (tm-fl-r)

n. pl. tom·fool·er·ies

1. Foolish behavior.

2. Something trivial or foolish; nonsense.

Sham means

Sham meaning

noun, adjective, verb, shammed, sham·ming.

–noun

1.

something that is not what it purports to be; a spuriousimitation; fraud or hoax.

2.

a person who shams; shammer.

3.

a cover or the like for giving a thing a different outwardappearance: a pillow sham.

–adjective

4.

pretended; counterfeit; feigned: sham attacks; a shamGothic façade.

5.

designed, made, or used as a sham.

–verb (used with object)

6.

to produce an imitation of.

7.

to assume the appearance of; pretend to have: to shamillness.

–verb (used without object)

8.

to make a false show of something; pretend.

Narrow Market

Definition
A market with few bid and ask offers. Characterized by low liquidity ,high spreads, and high volatility. Small changes in supply and/or demand can have a dramatic impact on market price. also called thin market. opposite of liquid market.

Thin Market

What does Thin Market mean?
A market with a low number of buyers and sellers. Since few transactions take place in a thin market, prices are often more volatile and assets are less liquid. The low number of bids and asks will also typically result in a larger spread between the two quotes.

Also known as a "narrow market".