Sentence:  And after that he sang ful loude and cleere, / And kiste his wyf, and made wantown cheere / He was al <WSD>coltissh</WSD>, ful of ragerye, / And ful of jargon as a flekked pye. 
Meaning of the word marked with <WSD> tags:  Lively, playful and undisciplined (often in a manner judged to be immature).<ref>B.(nbsp)E., "A New Dictionary of the Canting Crew," London: W. Hawes "et al.," 1699: “Coltish, said when an old Fellow is frolicksom or wanton; or he has a Colt's Tooth.”[http://name.umdl.umich.edu/A39127.0001.001]</ref>