peg as

peg (one) as (something)

To believe or consider that one definitely is a certain type of person or thing. I pegged her as a total bore when she first started working here, but since getting to know her, she's actually pretty interesting. I'm disappointed, Jake—I never pegged you as a quitter.
See also: peg
Farlex Dictionary of Idioms.

peg someone as something

 and have someone pegged as something
to think of someone in a certain way. Susan pegged the new employee as a lazy worker. I had you pegged as an angry rebel before I got to know you.
See also: peg
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • peg (one) as (something)
  • peg (one) for (something)
  • peg someone
  • peg (one) down as (something)
  • have (got) (one) pegged as (something)
  • have someone pegged
  • bore into
  • bore into (someone or something)
  • no doubt about it
  • bear in (up)on (one)
References in periodicals archive
The phase change behavior of the PEG as a polymeric PCM is significantly different from small-molecule PCM, namely, much stronger intermolecular interactions than them.
Because PEG could reduce the toxicity and the reticuloendothelial system recognition of the nanoparticles, some researches are using PEG as the modifier [24-26].
This work studied the effects of PEG as a polymeric additive and of low temperature and pressure DC glow discharge plasma on the morphological structures and surface properties of polysulfone/polyethylene glycol (PSF/PEG) membranes.
Nonetheless, latent heat and transition temperature closely depend on molecular weight, a key issue in the application of PEG as a thermal energy storage material [13].
ONE SOLDIER AND HIS DOG: Conrad with Peg HAPPY FAMILY: Tony Lewis, wife Sandi daughter Siobhan and bulldog Fergie with Peg as he is picked up from quarantine
By the same method protease was partitioned in different ATPSs made by changing molecular weight of PEG as PEG 4000, 6000 and 9000 with potassium phosphate.
In each case, the IMF supported a peg as way to create currency stability, failed to predict the ultimate collapse, and blithely went on recommending the policy.
To the best of the authors' knowledge, there is no study on the application of PEG as toughening modifier to a thermosetting polymer in the literature.
PEG as char forming agent, decomposes under comprehensive function of heat, oxygen or decomposed product of APP and forms some hydroperoxides, free radical and carbon.
Clearly, it could be seen that the presence of PEG as a plasticizer in L-PLA marginally increases the toughness of L-PLA.