Noun. The reaction of a man to something manly an attractive such as cars, tools, or other man things. Usually can be identified by an abrupt stopping of speech, movement, or both and the utterance of "oh my god" or other exclamations under the breath. This is usually followed by still standing and staring, or a sudden change in direction to get a better look at the object in question.
Girls, are not included in this, or resembling girls, as this is just a normal orgasm.
"Yeah, so I just tell the guy look budd- holy sh*t..."
"Yeah, sorry, just had mangasm over that 1972 Nova."