Top definition
One of the major organs of the brain. Located just above the brain stem. Responsible for balance and coordination. Damage to this area may result in "drunk-walking", where patients cannot walk properly and look like they are intoxicated.
Doctor: This patient's brain damage seems to originate in the cerebellum
by hem135 March 15, 2007
Get the mug
Get a Cerebellum mug for your buddy Helena.
Jul 26 Word of the Day
Noun: a friend who is usually only called upon by a friend when a more primary/prominent friend is unavailable.

Taken from the term β€œsecond string” in an athletic competition situation. In football, if the star quarterback gets injured during a play, the second string is called off the bench to replace him/her. A β€œSecond String Friend” is essentially benched until needed, if ever.

Synonyms: Plan B, Second Choice, Secondary Friend, Benched Until Needed
I got a call from X the other night. She had an extra ticket to a concert she bought for a friend, but they couldn’t make it so she called me to ask if I wanted to go because I am her Second String Friend.
by Deus-ex-machina August 26, 2020
Get the mug
Get a Second String Friend mug for your grandma Yasemin.
Comical substitute word for oral sex; can also be described as cranium, skull, jaw, temple, neck, cerebrum, brain stem, etc.
I was drivin through Hellam while ma gave me that cerebellum.
by mikeyrow&grover March 21, 2007
Get the merch
Get the cerebellum neck gaiter and mug.