term originating from the deceased member of spinal tap (Eric "Stumpy Joe" Childs) that choked on someone else's vomit.
synonymous phrases include but are not limited to
1. pulling a tap
2. pulling a spinal tap
3. tap'in out
this could apply to any situation where someone else's vomit ends up in your(or another person's) mouth
woah dude Linda and Eric where so wasted last night linda barfed down Eric's throat when they started to make out!
now thats pulling a spinal