This next guitarist is something of a take him or leave him kind of guy. As for me, I'm thoroughly in his camp. And, in addition to being one of the most important composers of the 20th century, Frank Zappa was quite an accomplished guitarist.
Known for employing "anything at anytime for any reason at all" to his compositions, Zappa naturally brought that same concept to his guitar playing and his solos.
Here's one where he kind of plays it straight, though:
Beautiful song. "Watermelon in Easter Hay." Do check it out.
Don't eat the yellow snow.