Top Definition
A thick layer of male chest hair noted for it's fullness, volume, and overall presence. At a distance casual observers often confuse the Czech sweater with an actual sweater.

hairy chest
chest hair
natural sweater
man sweater
hairy chested
love rug
1: "You're going to play football in that?"

2: "I'm alright man, I've got my Czech sweater on"
by David Turchin December 25, 2007
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