look up any word, like blumpkin:
 
1.
The most awesomest person in the world to know. Can initially come off as a jerk, but turns out to be the sweetest thing.
raihan, reehan, rayhan, rahan, rehan
by maZ-e August 24, 2010
 
2.
1. The action of making an unfavorable comment to a significant other which is then proceeded immediately by an insulting comment and then being oblivious to the offense.

2. Texting your girlfriend without a filter.
OMG, my boyfriend pulled such a rehan last night so I'm going to ignore his ass for a week.
by gleefan79 August 22, 2011