### Clue: One could be stuck up or sticky after removal of additives (4)
### Answer: TOFF 
 ### Explanation: Definition: One could be stuck up
  "toffee",one could be sticky, **minus**(after removal of) 2 "e"s(abbrev. for $$e$$xtras,additives, or Vitamin E,as an additive, or $$E$$cstasy,drug as an additive? – I think it's the first one)
Answer:  One who is or is a wannabe of the upper class, and therefore could be stuck up, looking down on others.  My last one in – the short ones are sometimes the most elusive.