The trend were people gel up their hair like a Mohawk, but without shaving the sides they are really just retarded posers. Commonly seen with the guidos and the Gap wearing crowd.
Hey, did you see that douchebag with the tardhawk? Either get a real Mohawk or learn to comb your hair!
(n.) tar di que An event where there is a higher than average number of people present with an IQ of 70 or less, and includes a cookout. (see barbecue)