Top Definition
The adolescent version of man breasts.
Joe was only 12 but had grown lardy and sported a pair of boy boobs.
by Ricky Rox November 14, 2007
its man boobs or moobs as i call them
ive got huge moobs and my gf loves em
by kreuger March 13, 2004
Tits on a dude, skinny or fat.
-You should date Cameron. He's so smart and he has lots of money.

-Blech! I'm not dating him! He has boyboobs.
by Shawn B. April 14, 2003
enlarged packets of fat on a guy that himself is a large packet of fat. more often than not, men like shaking these excess parts around like a hoochie mama.
nick strelow...AKA double d (his "bro" size"
by cwapface January 07, 2004
A boy with such large "peck" muscles in his chest he appears to have "breasts".
That dude has been working out so long hes got boyboobs!
by Mike R December 26, 2004
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