" unsatisfied "

 [ "Unsatisfying Nut" ]

1: When a man has unfulfilling sex and wishes he did not waste it on a certain person.

  * e.g.,  ... "I did that girl jenny last night, such an Unsatisfying nut" 

 [ "Unsatisfied Santa" ]

1: After blowing a load on your partners face, use you dick to smear the load over the cheeks, chin, and upper lip area. The resultant smearing should resemble that classic white beard the jolly man is known for.

  * e.g.,  ... Last night Becky wouldn't swallow my load, so I blew it on her face and gave her an unsatisfied santa. 

 [ "Orally Unsatisfying" ]

1: The opposite of orally satisfying; something that is not very nice to taste, etc.

  * e.g.,  ... Dom: My hot chocolate is very orally satisfying, how is your mocha Mat? 

 [ "Mentally Unsatisfied (MU)" ]

1: To be bored. Not liking something. Can be associated with wanting food. (hunger)

  * e.g.,  ...  Person1: I am so mentally unsatisfied (MU).