When having sex with a young lady one withdraws his love staff at the point of ejaculation and sprays his love muck on the lady's chin. The jizz should start to hang down off the chin, creating a rather fetching white beard look, similar to Merlin's.
"Hey guess what Rich, I did a Merlin's beard on your mum last night!"
A layer of semen on a girl's face in areas where facial hair is commonly found on men, e.g. chin, upper lip, cheeks, neck. Usually results after a blowjob.
Where one ejaculates onto one's partners face, leaving them with a beard dripping from their chin
1.
Dave: I was with this girl last night.
Tim: Oh yeah, how'd it go?
Dave: Got a blowjob
Tim: Did she swallow?
Dave: no, mate she likes it with a Merlins Beard
Tim: ......
Dave: Yeah....
2.
Steve: Want me to pull out?
Daisy: yeah, give me a Merlins Beard
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.
A sunburn or suntan focused on the left arm. It is caused by the left side of the body being the only half that gets exposed to sunlight while driving. Presumably, it would be located on the right side of the body in countries where they drive on the left side of the road.
I had a trucker's tan after driving for 10 straight hours on a sunny day.