The term is used when a person(s) breaks wind with as much force as they can muster thus making it sound as loud as possible but consequently also forcing excriment out also.Also: Shart or Follow Through
LAD A: " ha ha listen to this bad boy, pull me finger, pull me finger quick "
LAD B: " ok lad "
" ppprrrrrrtttttttt flerrr flerrrrr "
LAD B: " hahahaha, you fuckin shit ye kecks "
LAD A: " I'm off back to ours to change me silks "