Underchunk 

1. verb- To puke in another person's butt.
2. noun- The debris created through the act of puking in another person's butt.

1. Hey, you want to underchunk tonight?
2. OHHH!!! You got underchunk all over the bed!

Underchunk by zekedafreke January 20, 2009

underthink 

Verb: to think or analyze inadequately
(third-person singular simple present 'underthinks'; present participle 'underthinking'; simple past and past participle 'underthought' – informal 'underthunk' ) \ antonym – 'overthink'

It's a trick question; don't underthink it.

underthink by ΔиłĦ☼иצ ߀₡ʞ November 19, 2010

underdrunk 

The unpleasant experience of not having the adequate time/resources to achieve one's desired level of intoxication.

Fred: I'm overworked and underdrunk.

underdrunk by Jeffrovich January 6, 2009

undercunt 

(to) undercunt ′ʌndəkʌnt: to be less of a cunt than someone else

1. Allie was being a cunt to a coworker but ended up getting undercunted.

2. "I'm not saying you're a cunt but the other girls at the party were all undercunting you."

- "Okay, now you can really go fuck yourself, Brad!"

undercunt by alliebro August 4, 2011

underthunk

to not totally consider any and or all outcomes of any given situation...basically being a fucking jackass regarding the most minute problems

probably shouldnt have shat on that hookers face,i completely underthunk her slutty needs

urge "im gonna drop a nuke this game baby"
baby" thats so hot baby"
urge "im at 23 kills"
baby "you fucking rule you fat fuck"
urge "fuck me,i dont have a nuke on,i so underthunk how good i was gonna play this game"

underthunk by urge and tish May 28, 2010

underchicked 

The opposite of overchicked.
When a better-than-average-looking guy ends up with a chick that's less attractive than he is. This is often the result of a chick that's willing to put out and guy that is less than confident in himself.

Sally is 5'03, 200lb and spotty. Harry is 6'04, healthy, wealthy and handsome. How Sally managed to snare Harry is a mystery. He definitely underchicked on this hook up.

underchicked by PhanTim October 24, 2008

undercrank 

When a video camera is made to record slower resulting in a fast playback motion.

Undercranking is sometimes used in old car chase films where the director was not able to have cars moving at faster speeds on the area of road.

undercrank by XomBeh September 27, 2007