When man has a boner and tries to hide it by tucking in the waistband of his pants only to have the head of his dick pop out of the waistband, resembling a baby kangaroo in its mother's pouch.
Last night at the club, a girl was grinding on me so hard she gave me a hard-on. I tried to hide it by tucking in my waistband but when my dickhead peaked out it looked like I was carrying a baby kangaroo.
by TheDuctchPalindrome February 16, 2014
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Pronunciation: 'bA-bE "kang-g&-'rü

When the loose skin of the scrotum is pinched with both hands (preferably with one hand on each nut) and stretched upward covering the majority of the testicles and shaft of the penis. This leaves the head of the penis popping out like a "baby kangaroo".
Jake loves looking at my baby kangaroo!
by YourMother1 July 7, 2006
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When a male flips his erect penis up while wearing nothing but his underwear then proceeding to go into a public space, put on in Australian accent and hop around like a kangaroo
Mommy what's that man doing?

Mom: he's just baby Kangarooing
by Kitsunes Balls July 24, 2021
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