When someone says that they are cheesin real hard it means that they are smiling real hard or that they have a really big smile on their face.
by Mouse Ninja July 16, 2014

Kim: How was the club last night?
Jessica: It was good, but then some doucher was mac n cheesin on me. I gave him your number.
Kim: bitch..
Jessica: It was good, but then some doucher was mac n cheesin on me. I gave him your number.
Kim: bitch..
by avidlol February 10, 2010

An improved name for the Flamin' Hot Cheetos snack. As you may guess, they are very cheesy and often quite hot, as evidenced by their orangish-red color. In the process of eating these crunchy bites of spicyness, your hands and/or lips will become quite red despite your best efforts.
by Addled Mind December 19, 2005

hanging out with ur lax bros being high as fuck and drunk as shit playing zombies and listens to phish for more than 10 hours a day every day.
typical conversation for jon and liam. Yo, what you doing big smoke - jon. cheesin on these nuts dog, you no.
by blazzr33 October 14, 2011

by The Chow Man October 21, 2004

Present tense:
Jack Black: Anyway, my name’s JB. Just rolled into town.
KG: Would you give me some space? You’re kinda cheesin’ my steez.
JB: Ah dude, I’m sorry.
Past tense:
Kuzco : Dude! You cheesed my steez!
Guard : I'm sorry, but you've cheesed the Emperor's steez.
Old Man : Sooooorry!
Jack Black: Anyway, my name’s JB. Just rolled into town.
KG: Would you give me some space? You’re kinda cheesin’ my steez.
JB: Ah dude, I’m sorry.
Past tense:
Kuzco : Dude! You cheesed my steez!
Guard : I'm sorry, but you've cheesed the Emperor's steez.
Old Man : Sooooorry!
by Heretakemeinstead December 18, 2023

A: “look at how C’s staring at his phone giggling.”
B: “Bro he’s cheesin.”
A: “Who’s got you all giddy C?”
B: “Bro he’s cheesin.”
A: “Who’s got you all giddy C?”
by Rileyisafk January 20, 2024
