וַיַּקְרֵב֙ אֶת־הַמִּנְחָ֔ה לְעֶגְל֖וֹן מֶ֣לֶךְ מוֹאָ֑ב וְעֶגְל֕וֹן אִ֥ישׁ בָּרִ֖יא מְאֹֽד׃
Tak złożył on dar Eglonowi, królowi Moabu. Eglon zaś był mężem bardzo otyłym.
Metzudat David
A stout man: this was also the reason for his death. Because he was fat and a big guy, it was hard for him to stand up and while he was busy with standing up, he was not able to guard himself from Ehud
Metzudat Zion
STOUT: a big fat guy, as in Kings 1:5:3 "Ten stout cows."