"truckling" in the noun sense
1. truckling
the act of obeying meanly (especially obeying in a humble manner or for unworthy reasons)
"truckling" in the verb sense
1. truckle
yield to out of weakness
2. fawn, toady, truckle, bootlick, kowtow, kotow, suck up
try to gain favor by cringing or flattering
"He is always kowtowing to his boss"
Source: WordNet® (An amazing lexical database of English)
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