1. the blood-filled, gassy result of sexual penetration during the period of menstration, usually following the 'doggie style' position
2. the bloody gas expelled from a homosexualbutt penetration
Man, he sure blew a huge bloodfart after I came and pulled out of his ass.
A jamaican cuss word, claat meaning cloth, is used when meaning, when blood durring menstruation is clogged with such cloth, and is now used as a cuss word.