brain

brain noun | \brān\

: the organ of the body in the head that controls functions, movements, sensations, and thoughts

: the ability to think and reason

disconnect

dis·con·nect verb | \ˌdiskə´nekt\

: to separate (something) from something else : to break a connection between two or more things

braindisconnect

brain·dis·con·nect verb | \brānˌdiskə´nekt\

: a momentary inability to remember a piece of information, such as how to do something, a word, a phone number, or someone's name.