A phrase usually placed at the end of a sentence that converts the entire sentence, regardless of the context or words leading up to it, to mean "I have large quantities of diarrhea vacating my body"
by Rustyleftnut February 1, 2016
Get the On fleekmug. by The welding rican June 15, 2017
Get the Fleekmug. A rare tropical disease. Causes nausea, vomiting, erectile dysfunction, hair loss, itching of genital skin, and slow loss of brain cells. No known remedy.
“Marcia’s eyebrows are on fleek.”
“Poor thing. Maybe we should just shoot her to put her out of her misery.”
“Poor thing. Maybe we should just shoot her to put her out of her misery.”
by Doogiedoc October 27, 2017
Get the Fleekmug. 
Adj. 1) (slang) a state of completeness and flawlessness, the quality of being perfect 2) the combination of fly and sleek . Synonymous with on point.
by Atomic Afro June 7, 2015
Get the On fleekmug. by arttmgc February 7, 2015
Get the on fleekmug. by Graser10cpMCYT January 12, 2015
Get the Fleekmug.