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1.
When, in the presence of others, one grabs or covers their genital region with their hands unconsciously, while seated in a spread-eagle position. May be a visual cue suggesting dominance, or lack of appropriate social boundaries in general.

Should not be confused with an unconscious crotch point, which may be a sign of flirting or self-aggrandizing.
"I was in a meeting with Joe earlier and he did an unconscious crotch grab in front of Lisa and Marie; they both looked appalled but he didn't even realize it!"
de EMBR602 13 mars 2013