A hairstyle sculpted with so much Gel / Hairspray / Grease that is unchanged by the elements
Commonly sported by old alcoholics or slimey perverts.

"Look at that blokes Lego Head!"
by mrsarcasm November 5, 2008
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Someone who puts to much hair gell on making there hair look plastic.
Grassy why do you put so much gel on your hair you fucking Lego Head
by SARAH_CHICK August 1, 2009
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The act of strategically placing Lego pieces on the floor in hopes of your partner accidentally stepping on one, and when they cry out in pain, slipping your penis in for a surprise blowjob.
Bro 1: Last night I got some amazing Lego head!

Bro 2: What do you mean?

Bro 1: After a nice romantic dinner, my girl was coming upstairs to get freaky, so I left some extra pieces from the Lego Nostromo ship I built on the floor, and when she stepped on one I jumped off the bed and shoved my dick down her throat like a Facehugger in Alien.
by JarrodTheLubeBoy April 18, 2022
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a persons head that appears to be square like in its features,.often coupled with lumpy bumpy bits.ugly people tend to suffer from this.
what a hideously ugly lego head you seem to have ben.
by yeti 2008 January 27, 2009
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When you have your hair dyed or roots done and the colour runs down onto your head and dyes the skin around it creating an effect similar to the hair on a Lego character.
Dan: Hey Kezza, you coming out tonight?

Kezza: Nah, not tonight, just had my hair done and ive got a Lego head!
by dan_the_01 July 11, 2008
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A nick name used as a response for girls who are called Dollface by their boyfriends, first coined by Maggie and Seth.
Seth: Alright, I'll see you tonight Dollface.
Maggie: Sure thing, Lego Head.
Seth: That's awesome. We're coining that.
by painforpassion April 14, 2008
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When a person gets or has a haircut that resembles that of a lego figure.
Mark: Damn, did you see Jeffrey's hair last night?

David: Yea, his barber must love giving his customers lego head syndrome.
by DavidGend January 19, 2011
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