Top definition
when one takes a poop within 15 minutes of consuming a pre workout supplement containing more than 4grams of the amino acid beta alanine. the parasthesia caused by the beta alanine makes the participant feel as though they are pooping out a cactus
" that beta alanine made my b-hole feel like i have just shit-a-cactus "
by eat more pies May 28, 2015
Get the mug
Get a shit-a-cactus mug for your mom Yasemin.