When a man ejaculates into somebody's mouth with so much ejaculate that the cheeks puff out like a chipmunk with a mouth full of food.
I came in her mouth so hard last night that she ended up with an angry chipmunk.
by The Fiery Pen November 8, 2022
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Chipmunk sex is when you put your testicles in someone's mouth.

Yummy balls 👍
"Hey Winds, ever had chipmunk sex?"
by Emoji.gg_Member January 23, 2023
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(Verb.) Devoted fans of Alvan and Chipmunk franchise. The activity of IRL adaption mimicry(?) of Alvin and his brothers Morty and Peables.
Hey man, did you see the new Alvin in the Chipmunk movie?
Of course man! I've been completely chipmunking over it for months now.
by Same-Desu August 21, 2022
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When a girl deep throats a mans penis all the way and gets his testicles stuck in her cheeks

She deep throated me and got chipmunk cheeks
Person one: what’s chipmunking

Allie O’Shell: I love putting balls in my mouth
by Chipmunker101 December 31, 2022
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For Devoted fans of the Alvin and the Chipmunks franchise. The activity of IRL adaptations or mimicry of Alvin and his brothers Morty and Pebbles.
person 1:wtf is that shark, owl, and warden of time doing over there?
person 2: oh them, they are just chipmunking.
person 1:huh
by madpoopers August 21, 2022
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(VERB.)
Devoted Fans of Alvin and Chipmunk franchise.
The activity of IRL adaption mimicry (?) of Alvin and his brothers Morty and pebbles
Gura was chipmunking to make a nightcore version of "Reflect".
by alvin,morty,andpebbles August 22, 2022
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