крепколобый n stresses
gen.	club-headed
Gruzovik, inf.	blockhead; dolt
inf.	pigheaded
крепколобый adj.
gen.	cussed
Gruzovik, inf.	pig-headed
inf.	stubborn
крепколоб adj.
inf.	dolt (as noun; крепколобЫЙ Gruzovik)