Tall bearded man that wakes up in the morning, looks in the mirror, stroke his beard and goes "BOO YAH! Beard is on FLEEK today!"
Girl: OMG Sina (pahtoohee) like a cowboy spitting is so hot, his beard is on FLEEK today
Girl2: The things I would do to feel that stubble brush against my clitoris
An adjective, refers to someone who think he/she is better then the entire group
Person1: my music taste is superior then you all
Person2: here he goes sinaing again