The reduction in size of one's penis to one and a half inches or less due to a sexually disgusting sight.
"Yo momma's so fat she made me pop a Liall."
"Put your clothes back on! I'm popping a Liall here!"
"I think I popped a Liall. I swear this has never happened to me before."
"Put your clothes back on! I'm popping a Liall here!"
"I think I popped a Liall. I swear this has never happened to me before."
by Ppimp March 15, 2007