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have calluses from patting (one's) own back

To have excessively praised oneself for an achievement or a job well done. Tony was instrumental in the success of the merger—or so he says. I bet he has calluses from patting his own back.
See also: back, callus, have, own, pat
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

have calluses from patting one's own back

 and break one's arm patting oneself on the back
Fig. to be a braggart. If you haven't heard about Bill's latest achievement, he'd be glad to tell you. He has calluses from patting his own back. Jane: I did a really wonderful job, if I do say so myself. Tom: If you're not careful, you'll break your arm patting yourself on the back.
See also: back, callus, have, own, pat
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
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References in periodicals archive ?
Embryonic callus induction medium I: MS minerals and vitamins, 400 mg/l casein, 2.5 mg/l 2,4-D, 1 g/L activated charcoal and 2 g/l gelrite.
The treatments E3, H5 and E5 (Figure 1F) were the ones that showed the highest mean for callus formation, and when TDZ doses in isolation were increased in the treatments (experiment I), resulted in increase of the mean number of callus formed by explant (Table 3).
Mr Callus told the judge that NGN had agreed to pay substantial damages to Ms Hinte's estate and its legal costs.
Explant Selection, Preparation, and Culturing for Callus Induction.
In experiment B explants (n = 135) were left on MS medium supplemented with 1 mg/l of 2,4D (Alfa Aesar, Haverhill, Massachusetts, USA) and 1 mg/l of BAP (SERVA Feinbiochemica, Heidelberg, Germany) without NPs for 5 weeks to accumulate callus biomass.
Finally, they were subcultured in the same medium every three weeks for six selection cycles until the herbicide resistant callus was formed.
In the same way one does not need to know the precise histological process by which callus forms to remove it, one does not need to know every detail of how a pathological force came to happen to counter it.
After choosing, the experiment was repeated with the four best callus inductor media (CIM), which were called M1, M2, M3, and M4, and subsequently distributed between the different light qualities (white, blue, red, and dark), in the BIM medium for 40 days and 16 hours photoperiod at 25[degrees]C [+ or -] 2.
As a matter of fact, loss of regeneration potentiality or genetic instability is the major constrain in development stable salt-tolerant plants from salt-tolerant callus. Therefore, this present study attempts to produce and develop stable salt-tolerant MR219 plants by screening and selecting salt-tolerant callus line.
Previous study showed that carbon nanoparticles can increase mean of regeneration zones in flax callus [24].
The fruits for preparation of fruit and callus extracts were purchased from Chiang Rai province, while the seeds for preparation of tissue-cultures plants were purchased from Pattani province, Thailand, in 2016.
Callus culture followed by proper regeneration into plantlets is an important source of adding variation in present germplasm [5].
Callus formation secondary to sensory and motor neuropathy leads to subcutaneous bleeding, ulcer formation, and deeper infection, sometimes with life- or limb-threatening osteomyelitis.
One year after the previous purchase, Rako has invested in two Callus ECS 340 presses.
Secondary metabolite AY-phellandrene was analyze in callus cultures of two varieties of Momordica charantia L.