A cosigner is a person who too-frequently supports anothers claims, or quickly joins in defense of their arguments because of a desire to fit it or express loyality to the arguer, rather than because of personal conviction concerning the topic.
"Man, you gonna be a cosigner on everything she says just cause you think shes cute?"
A fucking mistake ever made since gods birth and it virgin you tubers use it as click baitcrying themselves to sleep because they know they are a big failure at life
Random person: DAME TU COSITA AA AA!!!
A positive human being that knows meaning to life: I swear to god if you don’t stop saying that I’m going to slap the fuck out of you so hard you won’t have your virginity anymore