Flunktuate 

Someone that fails many different ways.

Erin flunktuates in vocabulary every day.

Flunktuate by Pendna July 28, 2011

Fluctuate 

To alter irregularly; to cause to rise and vall or vary irregulary.

The NASDAQ fluctuated from the beginning of the year to the end.

Fluctuate by thomas shinji December 8, 2003

fluctuated 

Moved up and down, in and out or back and forth at irregular intervals.

Her grades fluctuated dramatically throughout the summer semester.

fluctuated by noit December 3, 2013

Fucktuate

when you fluctuate sexual positions, from ok, to great, then back to ok again, usually within the span of about 5 minutes.

Man, i'm getting tired of the old positions, you wanna fucktuate tonight?

Fucktuate by Drim498 July 17, 2010

fucktuate

to fluctuate between sexual partners

She tends to fucktuate between 4 or 5 people a month.

fucktuate by Yossarian420 August 19, 2008

fucktuate

Similar to the word fluctuate, except in a sexual matter. Meaning when your performance in the bed is not as good one night as the last. When your performance fluctuates.

Girl: You were terrible last night!
Guy: I know, I fucktuated from the night before.
Girl 2: I can account for that!

fucktuate by drfghj April 27, 2009

functuate

(verb)
-An alternate to the use of the word "focus"
-A mindset, determination, and sense of being.

I wish I could go, but I must functuate on the current issue at hand."

functuate by SquadGoals31 November 6, 2015